12.--We haven't heard from Jane a long time.
--What do you suppose ___________ to her?
A. was happening B. has happened C. to happen D. having happened
11. Someone is ringing the doorbell. Go and see ___________.
A. who is he B. who he is C. who is it D. who it is
10. Energy is ______makes things work.
A. what B. something C. anything D. that
9. ---Are you satisfied with her answer?
---Not at all. It couldn't have been ____________.
A. worse B. so bad C. better D. the worst
8._______she couldn't understand was ___________ fewer and fewer students showed interest in her lesson.
A. That , what B. What , because C. What , why D. Why , that
7. ____________ you have seen both fighters, _____________ will win?
A. Since; do you think who B. As; who you think
C. When; whoever D. Since; who do you think
6. It is generally considered unwise to give a child ____ he or she wants.
A. however B. whatever C. whichever D. whenever
5.You can’t imagine ____ when they received these nice Christmas presents.
A. how they were excited B. how excited they were
C. how excited were they D. they were how excited
4. ____ caused the accident is still a complete mystery.
A. What B. That C. How D. Where
3. --Is there anything that we can do?
-- _________
A. I believe B. Of course C. I don't think so D. I'm sure