Tom is not ______ he thinks he is!

A．a(chǎn)s clever as half       B．a(chǎn)s half clever as       C．half as clever as       D．half clever than

I’ve had enough of your bad manners．Will you please ______!

A．behave           B．perform         C．a(chǎn)ct           D．present

— Do you want tea or coffee?

— I don’t mind, ______ one you’re making．

A．however          B．whenever        C．whichever       D．whatever

This unfair system once prohibited ______ blacks from sitting where we liked on buses．

A．our                  B．we                  C．ours                D．us

Realizing that her husband had deceived her, she demanded that she ______ the whole truth．

A．should tell         B．told         C．be told        D．was told

Under no circumstances ______ allowed to enter the lab without permission．

A．you are         B．you will be           C．a(chǎn)re you         D．have you

What’s the use of keeping the secret ______ everyone has already known it?

A．a(chǎn)s though         B．now that          C．before long          D．in case

Jim couldn’t afford to buy the present for his wife, for five pounds was ______ he had on him．

A．a(chǎn)ll that             B．that         C．a(chǎn)ll what          D．what that

— How could you make such a silly mistake?

— I’m sorry．I ______ it before I handed in the paper．

A．should check                                              B．could check

C．must have checked                                           D．ought to have checked

A friend of ours was walking down a deserted Mexican beach at sunset．As he walked along, he began to see another man in the distance．As he drew   1　, he, who had been feeling so tired of teaching those naughty children at school, suddenly   2   the local native kept   3 down, picking something up and throwing it out into the water．Time and again he kept hurling （猛投） things out into the ocean．

As our friend   4   even closer, he found that the man was picking up starfish that had been washed up on the beach and, one   5  , he was   6   them back into the water．

Our friend was   7  ．He got close to the man and said, “Good evening, friend．I was  8  what you are doing．”

“I am throwing these starfish back into the ocean．You see, it’s   9   tide right now and all of these starfish have been   10   up onto the shore． 11   I don’t throw them back into the sea, they’ll die up here from   12   of oxygen．”

“I   13   that,” our friend replied, “but there must be thousands of starfish on this beach．You can’t  14   get to all of them．There are   15   too many．And don’t you realize this is probably happening on hundreds of beaches all up and down this   16  ．Can’t you see that you are not able to make a   17  ?”

The local native  18  , bent down and picked up yet   19   starfish, and as he threw it back into the sea, he   20  , “Made a difference to that one!”

1．A．farther                  B．nearer                 C．older                   D．stronger

2．A．observed               B．realized                C．discovered           D．noticed

3．A．slipping                 B．moving                C．bending               D．falling

4．A．marched               B．a(chǎn)pproached          C．swam                 D．ran

5．A．a(chǎn)t a time                B．from time to time C．a(chǎn)t times               D．in no time

6．A．giving                   B．throwing             C．dragging             D．waving

7．A．frightened             B．moved                 C．shocked             D．puzzled

8．A．recording              B．wondering           C．following             D．forecasting

9．A．low                      B．huge                   C．rising                  D．changeable

10．A．cleaned               B．dried                   C．pushed                D．washed

11．A．If                        B．Though               C．Because              D．Unless

12．A．quality                 B．lack                    C．balance               D．damage

13．A．challenge             B．suspect               C．understand          D．excuse

14．A．luckily                 B．possibly               C．hardly                 D．quickly

15．A．simply                 B．basically              C．a(chǎn)pproximately      D．especially

16．A．island                  B．coast                   C．ocean                  D．tide

17．A．sacrifice              B．choice                 C．profit                  D．difference

18．A．smiled                 B．prayed                C．sighed                 D．frowned

19．A．a(chǎn)nother               B．that                    C．one                    D．other

20．A．praised               B．commented          C．replied                D．a(chǎn)dded