题目内容
16、－Who are the teenagers gathering at the school gate?
－Well, if you ____________ know, they are all my visiting students.
A．shall B．can C．may D．must
试题答案
16、D
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题目内容
16、－Who are the teenagers gathering at the school gate?
－Well, if you ____________ know, they are all my visiting students.
A．shall B．can C．may D．must
试题答案
16、D