题目内容

设A={{a},{a,b,c},{b,d},{c,e}}

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设A，B, C 都是集合，请将相等的集合连线。

1. According to the time table, the train for London ___ at seven o’clock in theevening.

A) was leaving
B) has left
C) leaves
D) will leave

2. You should visit this part of the country when __________.

A) spring will come
B) spring comes
C) It has been spring
D) It will be spring

3. You needn’t hurry her. She ___ it by the time you are ready.

A) will have been finishing
B) would finish
C) will have finished
D) will be finishing