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Every possible means _______ to prevent the crash , but the computer doesn’t still work．
#4644
A
is used
B
are used
C
has been used
D
have been used
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How are you getting on with your classates?——______. I’ve got to know them all.
#4918
A
Far better
B
Much pleased
C
Very comfortable
D
Very good
Edward, you play so well. But I ______ you played the piano.
#5038
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known
The jug ____ easily．Be careful how you handle it．
#4797
A
will be broken
B
will break
C
is broken
D
breaks
.On April Fool’s Day people often play tricks _____ others.
#4736
A
to
B
with
C
on
D
in
As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
#4838
A
the, 不填
B
不填，不填
C
the, a
D
an, the