so fast ____ that it is difficult for us to imagine its speed
A. light travels
B. travels light
C. does light travels
D. does light travel
查看答案
____ for the free tickets, I would not have gone to the films so often.
A. If it is not
B. Had it not been
C. Were it not
D. If they were not
--It was careless of you to have left your clothes outside all night.---My God! ____
A. So did I
B. So I did
C. So were you
D. So did you
So difficult ____ it to live in an English-speaking country that I determined to learn English.
A. I have left
B. have I left
C. I did feel
D. did I feel
Not only ____ interested in football but ____ beginning to show an interest in it.
A. the teacher himself is; all his students are
B. the teacher himself is; are all his students
C. is the teacher himself; are all his students
D. is the teacher himself; all his students are