C. To try D. To have tried
以下各题也应选A,是因为句中的从属连词 when, before, until 等(填空句为祈使句):
(8) ______ him enough time to get home before you telephone.
A. Give B. To give
C. Giving D. Given
(9) ______ left when you get to the end of the street.
A. Keep B. Keeping
C. To keep D. Kept
(10) ______ your hand over your mouth when you cough.
A. Put B. Putting
C. To put D. To be putting
【是考查祈使句还是非谓语动词】相关文章:
★ 非谓语动词
★ 祈使句
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