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If plants are to grow, they______nitrogen.A、have toB、hadC、havingD、must haveD
If plants are to grow, they______nitrogen.A、have toB、hadC、havingD、must haveD
游客
2024-01-02
61
管理
问题
If plants are to grow, they______nitrogen.
选项
A、have to
B、had
C、having
D、must have
答案
D
解析
In this future real conditional sentence, must have is the correct verb form in the result clause.
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