为什么不能用whether?在92处. and whether ou pay (92)if the cost of send a postcard,the librarian will (93)sending write to you,and let you to know when the book you (94)to want has ∧ returned and is ready for you to pick up.(95)been 高考短文改错题。
If 和whether 都是连词 IF 中文意思可以理解为“如果” 题92的意思是:如果你支付一张明信片,那么. 假如换成“whether",则是“是否”的意思 例句:I don't know whether he will come. 同样的 whether在(92)中,是“是否”你支付一张明信片.