we sent the letter by e-mail in order that it __reach them in tim_英语解答

we sent the letter by e-mail in order that it __reach them in time
A.must B.would C.shall D.may
谁能为我解释下“in order

人气：258 ℃　时间：2019-10-11 18:54:43

解答

B
in order that 为了,以便于