11. “This cake is terrible. What happened?” – “It’s my grandmother’s recipe, but she forgot to tell me how long _____ it.”
A. did I bake B. should I bake C. do I bake D. to bake
12. “Let’s go to Riverton this weekend.” – “Sounds like fun. _____ from here?”
A. How far is B. How far it is C. It how far is D. How far is it
13. “Somebody forgot this hat. I wonder _____.”
A. whose is this hat B. whose hat this is
C. whose hat is D. is this whose hat
14. Edward’s interview was very intense. The interview wanted to know many facts about his personal life, and even asked him _____ had ever used any illegal drugs of any kind.
A. that if he B. that he C. if or not he D. whether or not he
15. It is hoped that all present–day communicable diseases will be conquered. However, _____ about certain diseases is still not sufficient to prevent them from spreading easily among the population.
A. what we know B. what do we know
C. what we know that D. that we know what
16. The reason I have to go is _____ if I don’t.
A. that she will be disappointed
B. because she will be disappointed
C. on account of her being disappointed
D. that she will be disappointing
17. Nobody yet knew what _____ to cause the dam to burst, but the residents of the area organized quickly to protect life and property against the rising floods.
A. happens B. had happened C. happen D. did it happen
18. Did the teacher explain how _____ this problem?
A. do we solve B. can we solve C. to solve D. solve
19. _____ the National Weather Bureau predicted severe storms did not deter the fishing boats from going out into the open seas.
A. The fact that B. That fact is that C. Is fact that D. The fact is that
20. Tom walked into the huge hall to register for classes. At first, he simply looked around and wondered what _____ supposed to do.
A. was he B. am I C. he was D. I am
