Children’s brains can’t develop properly　　 they lack protein

　A. when　 　　　B .since　 　　C. because　 　　　D. unless

A modern city has been set up in ______ was a wasteland a few years ago.

A. which　　 B. what　 C. that　 D. where

Don’t have the water ______ like this all the time, _______?

　 A. run, do you 　 B. running, will you

　 C. to run, will you 　 D. run, shall we

It was a long time before the cut on my hand _____ completely.

　　A. healed B. cured C. improved D. recovered

As 　　 rule, apples are sold by 　　 weight and eggs by 　　 dozen.

　 A. a; 不填；the　　　　 　 B. a; the; the

C. a; a; the　　　　　　　 D. the; 不填；不填

— Have you known each other for long?

— Not very long, ____ we started to work in the company.

A. after　　　　　　　 B. before　　　　　　 C. when　　　　　 D. since

Much to our surprise, the first performance was well _______.
 A. accepted      B. received
C. accepting      D. receiving

— Were you at home last Sunday?

  — Yeah! I devoted the whole day to _____ the English grammar.

 　 A. review B. reviewing　   　　 C. be reviewed　 D. being reviewed

---Do you have anything important to say for yourself?

---_______except sorry.

A. Something  　　　 B. Nothing          C. Anything         D. Everything

You made too many mistakes in your exam. You　　 your lessons last night.

A. mustn’t have prepared　 　　　　　　　　 B. needn’t have prepared

C. shouldn’t have prepared 　　　　　　　　　　 D. can’t have prepared