17、We’d better set off，or it will be dark         we know it.

   A. before            B. after             C. when             D. until

16、Alice, you see to it that the children here are well fed, _____?

   A. don’t you       B. doesn’t she       C. will you         D. would she

15、----All the passengers were injured in the accident?

----No, _____ only three children.

   A. it was           B. it were          C. there were      D. there was

14、If the prediction for the earthquake ________ more accurate, we would have been more prepared and many more lives would have been saved.

   A. had been        B. was              C. has been        D. were

13、On March 14, violent crimes of beating, looting and burning in Lhasa of Tibet broke out, _____ 13 innocent people and with more than 300 _____.

   A. killed; injured   B. killing; injured   C. killed; injuring   D. killing; injuring

12、.       in charge of the shopping center has upset him for quite some time.

  A. Left             B. Being left        C. Having left      D. To leave

11、---You shouldn’t have taken pictures before the carved stones.

---____ .

   A. Pardon me      B. Yes, I will        C. Never mind      D. Don’t mention it

10、 ---Don’t lose heart. Believe me, all your efforts will ______ sooner or later.

---Thank for your encouragement and I’ll make it.

   A. pay back        B. pay for          C. pay off         D. pay up

9、“I       in the room, watching TV broadcast about the earthquake.” I told the which are astronomically exact question me.

   A. was staying      B. stay            C. stayed          D. am staying

8、Calculations, which are astronomically exact, have been made ______ with the use of computers.

   A. possible         B. it possible       C. possibly         D. to be possible