一Mom, can I go dancing this evening?

一 your homework first, and then we'll talk about it.

A. Finish B. Finishing C. To finish D. Finished

________ your umbrella, or you'll catch a cold on such a rainy day.

A. Take B. To take

C. Taking D. Takes

—________ run in the hallways, Mike.

—Sorry, Ms. Clark.

A. Don't B. Please

C. No

（题文）As we all know, life is short but amazing. ________ it！

A. Enjoy B. To enjoy

C. Enjoying D. Enjoyed

We________build our country into a country of peace, a country of wealth, a country of opening up.

A. might B. should

C. could

（题文）—________ I park my car here for a while?

—No, you mustn't. Do you see the sign “NO PARKING”?

A. Would B. May

C. Must D. Should

—________ I use your dictionary?

—Of course. But please return it to me before you leave.

A. Must B. Need

C. Will D. Can

—Could I ask you some questions?

—Yes, you________.

A. can B. could

C. must

—________you come to my party?

—Of course.

A. Can B. May

C. Must D. Should

用if连接下列句子

1.I will go to the zoo. The weather is fine.

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2.He comes back. I will tell you.

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3.You get up early. You can catch the bus.

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4.What will happen? You are late.

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5.Please call me. He doesn't appear.

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