1.除了介词后面只能用whom. 其他情况下whom都可以被who取代 2.Jack (has) served in the army for three years. 这个has 可以不要?为什么 3,哪些情况 从句语序不用改变 4.A worry B = A worry about B = B be worried about A 5.I'm glad you've come back from London.Please tell me ( ) A.how long you have stayed there B.how long you have been staying there C.how long you stayed there 原因
1.简单介绍一下用法:(并不是所有的介词后面的who都被whom取代) whom[hu:m] pron. [who的宾格]谁 例句与用法: To whom should I refer the matter? (原句为refer the matter to whom) 我应该找谁办这件事? By whom was the orde...