—Why didn’t Tom go to the concert last night ?— I have no idea,but I think he _

题干

—Why didn’t Tom go to the concert last night ?
— I have no idea,but I think he _____ in his study.

A．read	B．have read
C．was reading	D．would read

上一题下一题 0.64难度单项选择更新时间:2015-03-02 10:23:27

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