Do you know if /whether Cathy goes to school early? 注意:只能用whether而不用if的三种情况如下: ①与or not连用:They asked us whether or not we were coming. ②在介词之后:It depends on whether it is going to rain. 3.在不定式之前:We haven’t decided whe...
用法透视 该句的意思是“是否”相当与"if",用来表达两可的情况。也可以说"whether or no"。 支持范例 1. I'll see whether or not I can persuade him to accept it. 我会试试看能不能说服他接受这一点。 2. He seriously debated whether or not he should charge hi...
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