——Mom, my classmates invited me ____________ a trip to Mount Tai. May I go with them?

——OK.

A. go on B. to go on C. going on

———— Why does Mrs. Brown look ______________？ ———— Because her daughter is ill in hospital.

A. happy B. angry C. unhappy

They will visit the Summer Palace if it _______________ tomorrow.

A. isn’t rain B. doesn’t rain C. won’t rain

I’m not sure ______________ Lucy likes classical music or not.

A. that B. if C. whether

The weather in Beijing is not _______________ nice _______________ that in Hainan.

A. as; than B. so; as C. than; as

What a beautiful sweater! How much did you _____________for it?

A. spend B. cost C. pay

——Did you stay up late last night to prepare for the English exam?

——Yes,I didn’t go to bed____________12 o’clock.

A. when B. while C. until.

Taiwan is the biggest island in China. It’s ____________ the east of Fujian.

A. to B. on C. in

--- Look, so many dark clouds!

--- You should take an umbrella________ rain

A. instead of

B. in case of

C. with the help of

—— When will she arrive? —— ______________ she arrives, I will let you know.

A. Because B. As soon as C. Though