一道高中英语语法题How about paying a visit to Mr. Hershey, our former
一道高中英语语法题
How about paying a visit to Mr. Hershey, our former biology teacher?
Good idea. I will Email him today so he____know____to expect us
A.shall, why B.may, when C.would, why D.will, how
答案应该是D,我选的是B错了,为什么?请说明原因,谢谢~