How can I ever concentrate if you continually me with silly questions?A.have-int
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How can I ever concentrate if you ________ continually ________ me with silly questions?
A.have…interrupted
B.had interrupted
C.are…interrupting
D.were…interrupting
试题答案
C
因为从can和句意可知,是指目前正在发生的事。句意是“如果你 (象现在这样) 不断地用一些无聊问题来妨碍我,我又怎能集中精力呢?”