海底火山有哪些:英语选择
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Your glasses( )yesterday
A were repaired
B was repaired
C had been repaired
D have been repaired
本题选择A,为什么不选择C或D呢?
A were repaired
B was repaired
C had been repaired
D have been repaired
本题选择A,为什么不选择C或D呢?
首先被动
第二,句尾有yesterday,要用过去时,不应用过去完成时或现在完成时,所以C、D排除
第三,glasses是复数形式,所以用were.答案为A.
首先被动
第二,句尾有yesterday,要用过去时,不应用过去完成时或现在完成时,所以C、D排除