题目内容
7. The goal is to make sure they safe drinking
water.
A. have B. will have
C. had D. have had
7. A
7. A解析:make sure之后的从句是在陈 述事实,故用一般现在时。选A.
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题目内容
7. The goal is to make sure they safe drinking
water.
A. have B. will have
C. had D. have had
7. A解析:make sure之后的从句是在陈 述事实,故用一般现在时。选A.