It is not impossible to reach an agreement if both sides ____ a positive and co-operative attitude.
问题描述：
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
答
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...