A.couldn'thavefound
B.mustn'thavefound
C.willhavefound
D.needn'thavefound
第1题
I don't really know how to ______ the problem.
A.draw
B.deal
C.cope
D.tackle
第2题
I don't really know how to ______ the problem.
A.draw
B.deal
C.cope
D.tackle
第3题
There are so many dresses that I really don't know which to choose.()
第5题
There are so many dresses there that I really don't know ______ to choose.
A.whether
B.when
C.which
D.why
第7题
There are so many dresses there that I really don't know ______ to choose.
A) whether B) when C) which D) why
第9题
______ I don't know much about internet, I find it is really useful.
A.As
B.Since
C.If
D.While
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