We have various summer camps for your holidays. You can choose ____ based on your own interests.

A. either　　 B. each　　 C. one　　 D. it

Jack ____ yet, otherwise he would have phoned me.

　 A. mustn’t have arrived B. shouldn’t have arrived

　 C. can’t have arrived　 D. needn’t have arrived

“Help! Help!” a man was shouting while coming ______ towards us, followed by a big dog.
A．run B．running C．to run D．ran

Sorry, I took your pen _____.

　 A. by heart　　 B. by mistake　　 C. on purpose　　 D. by the way

Mr. Black ________Shanghai in a few days. Do you know when the earliest plane 　

_______on Sunday?

A. is leaving, takes off　　　 B. leaves, takes off

C. is leaving, is taking off　　 D. leaves, is taking off

She __________ (实现，完成) her ambition.

—You must apologize to Rebecca for being so rude, Sam.

—Why ________ I say sorry? It’s she ________ said insulting words first.

A. should; who　 B. must; whom　 C. can; that　　 D. will; who

He went to Beijing in 1990 and 　　　　　 there ever since.?

A. is working　　　　　　　 B. has been working?

C. works　　　　　　　　　 D. worked?

He collected so many stamps not because he wanted to make money but_____ to learn art.

A. hoping to teach the children　　　 B. hope teaching the children

C. I hope to teach the children　　　　 D. to teach the children

___ children tend to prefer sweets to meat.

A、The most　 B、Most　 C、Most of D、The most of the