I earn 10 dollars _____ hour as _______ supermarket cashier on Saturdays.

A．a(chǎn); an          B. the ; a          C. an ; a            D. an ; the

It’s not _________ good idea to drive for four hours without _________ break.

A. a; a          B. the; a      C. the; the                     D. a; the

Of all __________ reasons for my decision to become a university professor, my father’s advice was __________ most important one.

A. the; a     B. 不填; a     C.  不填; the     D. the; the

—Tom, you didn’t come to the party last night? 

—I __________, but I suddenly remembered I had homework to do.

A. had to B. didn’t

C. was going to      D. wouldn’t

I gave him a present but he gave me nothing ________

A. in cash          B. in relief         C. in charge  D. in return

An accident happened at ____ crossroads a few metres away from ____ bank.

A. a; a      B. 不填；a     C. 不填；the     D. the; 不填

_____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.

　  　 A. Tiring; to admire               B. Being tired; admiring

　   　C. Tired; to admire                D. Tired; admiring

Having been ill in bed for nearly a month ,he had a hard time________ the exam.

    A．pass       B．to pass           C．passed     D．passing

Only by reading more books　　　　improve your reading skills.

A. you can        B. can you           C. do you            D. you do

It was in the school ____ he had studied ____ he began the important experiment.

       A. that; where                   B. in which; which

       C. where; that                   D. where; in which