(   ) 11. The bus kept the people _____ for twenty minutes.
A. waitB. waitsC. to waitD. waiting

(   ) 12. He hasn’t seen the movie ?_____.
A. tooB. alsoC. yetD. already

(   ) 13. He can’t help _____ the answers when he can’t work out the problems.
A. turn toB. to turnC. turning toD. turned to

(   ) 14. _____ playing computer too much is bad for your study and health.
A. No doubt thatB. There is no doubt that
C. There are no doubt thatD. There isn’t doubt that

(   ) 15.— Who was it _____?
— Thomas Edison.
A. invented byB. invented fromC. invented ofD. invented in　Ⅱ. 情景交际。（5分）
从方框中选出适当的句子补全对话，其中有两项是多余的。
A: Hi, Jack. You were not at school yesterday.    16
B: Oh, I had a headache and I had to ask for a sick leave.
A: Sorry to hear that.    17
B: Yes, my mother took me to the hospital. The doctor looked me over and said I had caught a cold.
A:    18
B: Yes, a little. The doctor told me to take these pills three times a day and drink more water.
A:    19
B: Yes, much better.
A:    20
B: I will. Thank you.
A. You’re welcome.
B. What’s going on?
C. What was the matter?
D. Are you feeling better now?
E. Was it serious?
F. Take more exercise and keep healthy.
G. Did you see the doctor?