Leaders of many countries have been trying to _____ what it is that makes China develop so

fast in recent years.

A. carry out    B. figure out    C. watch out    D. make out

 I’m not sure whether I will have anything else to do this evening. _____, I will try every

possible means to come to your birthday party.

   A. Even though    B. If so   C. Anyhow    D. Instead

 My toothache is killing me. I _____ it _____ away. But now it’s getting worse and worse.

   A. think; is going          B. thought; was going   

C. have thought; is going    D. had thought; had gone

 ---The exam starts at 9:00 tomorrow morning.

---___________ I fail to arrive there on time?

A. What if      B. As if  C. Only if      D. Even if

 _____ on May Day, the Shanghai Expo has attracted tens of thousands of visitors around the

world every day.

A. Having opened    B. Opened    C. Opening    D. To open

 With the moonlight keeping them ________, the tourists climbed over the mountain without a guide.

A. approach   B. silence      C. secret     D. company

 Recently I was frustrated that my essay was rejected my a newspaper. ________, I had my wallet picked on the bus on the way home.

A. To be honest   B. To make matters worse  C. To tell you the truth  D. Believe it or not

 Will you see to ________ that you will take good care of my car while using it?

A. this          B. it      C. that       D. him

 _____ every day, the Internet provides readers with the latest news from all corners of the

world.

A. Update    B. To update    C. Updating    D. Updated

 During _______ trip to Yunnan, Premier Wen Jiabao stressed ______importance of water conservation projects and promised more government support.

A. the ;the   B. the；不填   C. a；不填   D. a ; the