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【单选题】
以下不属于危险废物的是A.
煤渣
B.
垃圾焚烧的飞灰
C.
医疗废物
D.
电镀废水处理的污泥
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【简答题】“Shall Mary come and play computer s?” “No, _______ she has finished her homework.” A．when B．since C．unless D．as soon as
【单选题】—Shall Mary come and play computer games? —No, ________ she has finished her homework.
A.
unless
B.
if
C.
when
D.
once
【简答题】根据汉语完成句子。 1.She has finished her homework , _____ . 她已经完成了她 的作业,她的弟弟也是. 2. She hasn't gone there._______. 她没有去那,他也没有.
【简答题】She is looking forward to (go) _________ to Europe after she has finished her studies at the university.
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【单选题】--Shall Mary come and play computer games? --No,__________ she has finished her homework.
A.
when
B.
if
C.
unless
D.
once
【单选题】— Shall Mary come to the concert with us？ －Not_____she has finished her paper．
A.
since
B.
once
C.
when
D.
unless
【单选题】She has finished her homework,________?
A.
hasn't she
B.
has she
C.
doesn't she
D.
does she
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