Sally can't have written tome,or_____the letter by now.A.I'd have_其他解答

Sally can't have written tome,or_____the letter by now.A.I'd have got B.I'd get
这两个选项到底选什么啊,我选的B但是答案写的A
这个应该是错综时间条件句吧,后面有NOW 就应该是与现在相反啊

人气：483 ℃　时间：2020-06-02 01:31:28

解答

by now是到现在为止,它一般都接完成时的,单独一个now 就是你说的错综复合句了,你很有想法,敢于发现问题!