(2013·辽宁大连双基测试)________ a man's age, he can reduce it several years by wearing a confident smile.
#30547
A
Whichever
B
Whatever
C
Whenever
D
However
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You will make much progress in English       you work hard.
#33075
A
as far as
B
as soon as
C
as long as
D
as well as
The old man has four sons, and two _____ turned doctors.
#33617
A
of which
B
of whom
C
of them
D
of that
It will be many years ______ the doctors and medical scientists can find _____ for cancer.
#33643
A
since; cures
B
when; treatments
C
before; cures
D
until; treaments