I'm not sure when the flight takes off.You ___look up the information on the Internet to make sureof it.A.may B.have to C.must D.might 选什么,为什么?

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I'm not sure when the flight takes off.You ___look up the information on the Internet to make sureof it.A.may B.have to C.must D.might 选什么,为什么?

I'm not sure when the flight takes off.You ___look up the information on the Internet to make sureof it.A.may B.have to C.must D.might 选什么,为什么?
I'm not sure when the flight takes off.You ___look up the information on the Internet to make sure
of it.A.may B.have to C.must D.might 选什么,为什么?

I'm not sure when the flight takes off.You ___look up the information on the Internet to make sureof it.A.may B.have to C.must D.might 选什么,为什么?
A吧
may可以表示可以选择在网上查看信息；
have to(客观必须)/must（主观必须）都是表示必须,确定航班不一定非得上网查看,太绝对了；might是may的过去时,这里不是过去时态的句子.

选A。表示建议对方可以通过查询互联网来找到航班时间，可以译为“可以。。。。。。”。

A.may----------可以

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