【单选题】【消耗次数：1】
They can’t leave until they ___ their work.
①
did
②
are doing
③
have done
④
has done
参考答案：
复制
纠错
相关题目
【单选题】
8.They can’t leave until they ______ their work.
①
did
②
are doing
③
have done
④
has done
【单选题】
They can’t leave until they _________ their work .
①
did
②
are doing
③
have done
④
his done
【单选题】
They can’t leave until they _______ their work .
①
did
②
are doing
③
have done
④
his done
【单选题】
25. I can’t go—for one thing, I have no money, and ___, I have too much work.
①
what’s more
②
as well
③
for another
④
in addition
【单选题】
They have done things they ought_____.
①
not to do
②
not to be done
③
not to have done
④
not having done
【单选题】
_______I like most is_______I can have a party after work.
①
That,that
②
What, that
③
What, what
【单选题】
Can anything be done to_________ the negative influence of some television programs?
①
accept
②
assume
③
avoid
④
alarm
随机题目
【单选题】
*国务院制定行政法规的程序包括：行政法规的立项、行政法规的起草、（）和行政法规的决定和公布。
①
行政法规的调查
②
行政法规草案的审查
③
行政法规草案的批准
④
行政法规的通过