Only after liberation _____ to be treated as human beings.
A. did they begin
B. they began
C. that they began
D. had they began
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Never before _____ such a stupid man.
A. I have seen
B. I saw
C. have I seen
D. did I see
_____ are some students singing and laughing.
A. Seating on the grass
B. To be seating on the grass
C. Seated on the grass
D. To be seated on the grass
I don't deny that smoking can be harmful, but _____.
A. so lots of other habits can
B. so can lots of other habits
C. other habits can neither
D. neither can other habits
I did call you in the morning.是强调句。
A. 对
B. 错
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