8、It+及物动词+宾语+主语从句 用于这类句型的动词有:affect, disappoint, impress, interest, worry等,例如: 9、It takes sb. + sometime to do sth. 这个句型的意思是“花费某人多长...
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 whether to go there...
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