必有重谢We won't go sightseeing if__ tomorrow选什么且为什么A it rains B

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/07/19 06:25:04

必有重谢
We won't go sightseeing if__ tomorrow选什么且为什么
A it rains B it will rain
We bought a new house but we can't__utill next week选什么且为什么
A move in B move into
The earth is ohr home.We must__land,air and water clean
A get Blet C keep

1.A.
if后面引导的是条件句,做将来时的条件时一般用现在时而不能用将来时.
相应地,如果主句是过去将来时,if引导的条件句应用一般过去时.
2.A.
这里的in是作副词使用,搬进去；而into是介词,如果选它的话,后面就要跟名词作宾语.
3.选C.
根据句子意思判断.地球是我们的家园,我们应该XXX大地、空气、水清洁.
A是让它们变得清洁,勉强能说得过去；B是随它们清洁,不合情理；C是保持它们清洁,最贴切,所以选择C.

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