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It is not impossible to reach an agreement if both sides ____ a positive and co-operative attitude.A will take up B take up C are to take up D will have taken up

题目详情
It is not impossible to reach an agreement if both sides ____ a positive and co-operative attitude.
A will take up B take up C are to take up D will have taken up
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答案和解析
楼主,这个题目的正确答案是B
当是It is +形容词 to do sth.if+条件状语从句的句式时,
条件状语从句应该使用一般现在时态
或者有另一个种情况:主句使用的是一般将来时
如:I will go to play football if the weather is fine.
从句同样使用一般现在时态