In such hot weather the crops will have to be watered if they .
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In such hot weather the crops will have to be watered if they .| A．have survived | | B．are to survive | | C．would survive | | D．will survive |
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答案
| B |
解析
| 主句为将来时态，条件状语从句要用现在时态表将来，故C项和D项不对；A项虽属现在时态，但题意不需要完成的意义，B项中的be to do 表示“想要”。 |
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