摘要： It is vital that we act out at once to protect the environment. A. would B. should C. will D. can [解析]B It is vital/important/strange/necessary/natural-that 从句中.从句运用should跟动词原形.
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It is vital that we _____ act out at once to protect the environment.
A. would B. should C. will D. can
查看习题详情和答案>>It is vital that we _____ act out at once to protect the environment.
A. would B. should C. will D. can
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