A.if
B.whether
C.that
D.what
第1题
I don't know when______ ______ for Australia.
第5题
A、know; don’t hear of
B、hear; don’t know
C、have known; haven’t heard of
D、have heard of; don’t know
第6题
I don't really know how to ______ the problem.
A.draw
B.deal
C.cope
D.tackle
第10题
A.nor don't I care
B.nor do I care
C.I don't care neither
D.I don't care also
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