【題目】Recently, I have experienced constant problems in the computer rooms, so I think it is about time we __________ new computers.
A.have
B.have had
C.had
D.will have

【答案】C
【解析】考查虛擬語氣。最近，我在電腦房里遇到了很多的問題，所以我想我們應該有新電腦了。It's （about ）high time that …該做某事了，此句型為虛擬語氣句型。that可省略，time可由high,/about修飾，從句中的謂語動詞有兩種形式，如用動詞的過去式，或者用shoud + 動詞原形（should不能省略)。表示“現(xiàn)在該做某事了”，含有該事早該去做而未做。如表示過去早該做某事，要用had done。根據(jù)題意是現(xiàn)在該有新電腦了。故選C。

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