—You look tired, Jack． What's wrong with you?—Oh, 1 worked quite late last night． Nothing wrong with me, ．
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although
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though
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yet
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still
推荐题目
My parents were quarrelling about me ____ I could not quite tell why．
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since
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though
C
if
D
until
But when I got ____ the town ought to have been, all I found was a gasstation.
#31072
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what
B
which
C
where
D
that
Air pollution is getting more and more serious, so we must take action ________ it is too late.
#30412
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before
B
after
C
until
D
when
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
#31345
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before
B
once
C
until
D
unless
The elderly patients still prefer the traditional way, ______ online booking system is supposed to be convenient and fast.
#31880
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while
B
though
C
unless
D
as