－Are you sure you have to? It’s been so late. Make it another time?－I don’t know ________ I can do it if not now.
#31948
A
how
B
what
C
when
D
that
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Convenient ___private cars are for us, they may also cause traffic accidents and pollution.
#33185
A
while
B
as
C
if
D
since
________ a two-year period, Nancy became addicted to painkillers （止疼药）.
#34784
A
Beyond
B
Above
C
Since
D
Over
—The rescue team are considering ______they can do more for the people suffering from the snow storm.—So they are.
#34330
A
what
B
whatever
C
if
D
how
________，Carolina couldn't get the door open.
#30444
A
Try as she might
B
As she might try
C
She might try as
D
Might as she try
Yang Liwei was surrounded by the audience _____ he stepped off the stage.
#32766
A
until
B
through
C
now that
D
instantly