可以随意涂改原始数据表格中的数据。
A. 对
B. 错
1. Were it not for the snowy weather, we ____ all right.
A. would be
B. would have been
C. were
D. may be
2. ____ more careful, his ship would not have sunk.
A. If the captain were
B. Had the captain been
C. Should the captain be
D. If the captain would have been
3. ____ today, he would get there by Friday.
A. Would he leave
B. Was he leaving
C. Were he to leave
D. If he leaves
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