Sally can't have written tome,or_____the letter by now.A.I'd have got B.I'd get

问题描述:

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

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!