Everyone knows that there is no rule ___ has exceptions.
A.that
B.which
C.unless
D.but
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Living in the western part of the country has its problems, ___ obtaininf fresh water is not the least.
A.with which
B.of which
C.for which
D.which
Tom would rather Ruth ___ the party yesterday evening.
A.did not attend
B.wouldn't attend
C.not to attend
D.had not attend
For nearly two hours we waited for the decision, only ___ to come again the next day.
A.being told
B.we were told
C.to be told
D.were told
He ___ to Beijing. I saw him only a while ago.
A.cannot have gone
B.might not have gone
C.couldn't go
D.must not have gone