14. It was last night ________ 1 saw the comet.
A. the time
B. when
C. that
D. which
查看答案
15. Only when the war was over __________ to his hometown.
A. did the young soldier returm
B. the young soldier returned
C. returned the young soldier
D. the young soldier did return
16. ________ for the free ticket, I would not have gone to see films so otten.
A. If it is not
B. Were it not
C. Had it not been
D. If they were not
17. _________ food you've cooked!
A. How a nice
B. What a nice
C. How nice
D. What nice
18. So difficult ________ it to live in an English-speaking country that I was determined to learn Englisg well.
A. I have felt
B. have I felt
C. I did feel
D. did I feel