Mark was a student at this university from 1999 to 2003, ____ , he studied very hard and was made Chairman of the Students' Union.
#4898
A
during which time
B
for which time
C
during whose time
D
by that time
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——Hi, Steve, you look tired.——I am tired. I ______ the living room all the afternoon.
#4727
A
painted
B
had painted
C
have been painting
D
have painted
__________you lose the paper document，sign in www. sohunt. com，__________you might download all you need．
#4722
A
If；which
B
So long as；what
C
In case；where
D
Even if；as
Since Claire had become attached to Tony, the robot needed _______________.
#4523
A
to rebuild
B
to have rebuilt
C
being rebuilt
D
to be rebuilt
_________ the flight to New York will be delayed is _________ I’m especially worried about.
#4625
A
If; what
B
Whether; that
C
When; that
D
Whether; what