－How many girls are there in your class?

－In rny class _________ of the students are girls．

third fifths

three fifths

three fifth

－Could you give me _________ to drink?

－Sure．Here you are．

something

nothing

everything

－Jane, I succeeded _________ the first place in the English competition．

－Congratulations!

to win

in winning

in catching

－Where is Tom? Do you know?

－I think he _________ to the teachers' office．

goes

has been

has gone

－I think Tom has made many friends in China．

－_________．

So I do．

So he has．

So has he．

－Why don't you come and have supper with me?

－Thanks, but I have _________ had mine．

ever．

yet

already

－_________ the population of the U．S．A．in 2005?

－It _________ about 296 million．

What is; is

What was; was

How many was; is

－How long have you worked here?

－_________ 1989．

In

For

Since

－May I surf the Internet now?

－No, _________ you have finished doing the dishes．

unless．

if．

because．

when

－I hear that Huang Gang made an English speech contest last week．

－_________ and _________．

So did he, so did you．

So he did, so you did．

So did he, so you did．

So he did, so did you．