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问3道英语选择题1.In such dry weather,the flowers will have to be wa

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问3道英语选择题
1.In such dry weather,the flowers will have to be watered if they( )
A.have survived B.would survive C.will survive
2.What( )has been finished.
A.will do B.should be done C.should do D.must do
3.All the books( )out of the reading room.
A.mustn't be taken B.mustn't take C.can't take D.must not to be taken
并说一下为什么
问3道英语选择题1.In such dry weather,the flowers will have to be wa
C
因为浇水的动作用将来时,所以存活下来的动作也用将来时
B
被动语态只有这个了
A
被动语态的只有AD 但 must 要跟动词原形 不带to