题目内容

I don't believe we've met before. ______I must say you do look familiar.

A. therefore
B. although
C. since
D. unless

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l’ll be out for some time. ______anything important happens, call me up immediately.

A. In case
B. As if
C. Even though
D. Now that

______you start eating in healthy way,weight control will become much easier..

A. Unless
B. Although
C. Before
D. Once

Cathy had quit her job when her son was born ______she could stay home and raise her family.

A. now that
B. as if
C. only if
D. so that

Half an hour later, Lucy still couldn't get a taxi ______the bus had dropped her.

A. until
B. when
C. although
D. where

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