单项选择题

He didn't ______ and so he failed the examination.

A．work enough hard
B．work hard enough
C．hard work enough
D．hard enough work
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单项选择题
It's desired that she ______ to teach us at least twice a week.
A．comes
B．will come
C．come
D．may come
单项选择题
______ , you must show your ticket to go into the cinema.
A．No matter who you are
B．Whomever you are
C．Whoever you are
D．No matter who are you
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