In such dry weather, the flowers will have to be watered if they . A. have survi
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In suchdry weather, the flowers will have to be watered if they __________.
A. havesurvived B.are to survive
C.would survive D.will survive
试题答案
答案:B
提示:| if引导的条件状语从句中不能用将来时态,但可用be+不定式形式。
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