It’s going to be some time _____ he sees his father again, _____ business has just been started in Switzerland．
#32577
A
after; who
B
before; whose
C
when; whose
D
since; who
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If you keep on your research, you’ll find out the result _______.
#32993
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in time
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at no time
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on time
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at the same time
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A
whether
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when
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as long as
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Then Wang Ping flashed a switch on a computer screen，and a table and some chairs rose from under the floor by magic.
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only if
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even if
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as if
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______ both sides accept these terms will everlasting peace be established in this region.
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Unless
B
As long as
C
If only
D
Only if
22．Lawrence Craven, a doctor from the USA，is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks．
#79598
A
them; when
B
which; that
C
what; that
D
which; when