問題詳情

40. Tom walked straight into a wall. __________ the computer program he had worked on formore than a month.
(A) He may think about
(B) He is thinking about
(C) He can be thinking about
(D) He must have been thinking about

參考答案

答案:D
難度:非常困難0
統計:A(3),B(2),C(0),D(5),E(0)

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