题目内容
（请给出正确答案）
A.excessive
B.optional
C.additional
D.arbitrary
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更多“You don't have to install this…”相关的问题
A.mustn’t; can
B.don’t have to ; could
C.mustn’t; could
D.don't have to; will
You don't have to ______ the majority; you have a right to disagree.
A．get through with
B．catch up with
C．go along with
D．hold on to
A. do
B. take
C. make
D. have
If you don't have anything ________ to say I'd rather you kept quiet.
A constructive
B effective
C investigators
D inspectors
A.can’t
B.mustn’t
C.don’t need
D.don’t have to
A、price
B、duty
C、expense
D、elevator
