we sent the letter by e-mail in order that it __reach them in timeA.must B.would C.shall D.may谁能为我解释下“in order
问题描述：
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
答
正确：B
in order that +从句，表示“为了……”。
答
C，从情态动词的意思推断即可，shall往往和第一人称代词一起用
in order 本意是“为了……”在这里引导that从句作目的状语
也可以将从句换成不定式，in order to reach them in time,这时也可以用so as to
答
选B
in order that 后面接从句
前半句主句sent，用的是过去时，所以根据“主将从现”，要用将来时。
must shall may情态动词，含义过于绝对或者，语气的问题，不好。
答
选B
in order to 为了，后接动词原形，做目的状语。
i get up early in order to catch the early bus.
in order that为了，后接从句，做目的状语
i get up early in order that i can catch the early bus.
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答
B
in order that 为了,以便于