问题
选择题
—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
答案
答案：A
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。