Question

—How about paying a visit to Mr. Richardson, our former history teacher?

   —Good idea. I will e-mail him today so he ___ know ___ to expect us.

   A. may,when     B. would, why     C. will, how     D. shall, why

Answer 1

A

解析:

may用在so、so that、in order that后常表目的。“我”给他发封 e-mail，这样他就可以知道什么时候接我们了。故选A。