-How did you manage to pass the examination?

- 　　　　 very hard.?

A.To work　　　　　　　　　 B.Working?

C.By working　　　　　　　　　 D.Work

It has been proved _____ eating vegetables in childhood helps to protect you against serious illnesses in later life.

A. if B. because　　 C. when　　 D. that

I have been told that the new law will come into ________ on January 1st next year.

A．effect　　　　B．use　　　　　C．service　 　　 D．existence

He was busy writing a story， only　　　 once in a while to smoke a cigarette.

A.to stop　　　　　 B.stopping?　　　　 C.to have stopped　 D.having stopped

This medicine is very dangerous, so you must keep it ____.

　　A. out of children’s reach B. in children’s reach

　　C. out of children reaching D. from children’s reach

If you have a chance to visit that school, please extend your arms and h ______ every child you meet.

The little girl ________ to be a good singer if she gets good training in a music school.

　 A. wishes　　　 B. expects　　 C. promises　　 D. hopes

What happened to him?

－He ______by a snake when he went through the forest.

A gets bitten　 B got bitten　 C is bitten　　 D was being bitten

—The last one _________ pays the meal!

   —Agreed!

   A. arrived      B. arrives      C. to arrive     D. arriving

One reason for her preference for city life is 　　　 she can have easy access to places like shops and restaurants.

A. that　　　　　 B. how　　　　　　 C. what　　　　　　 D. why