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【单选题】
Our teachers made us ________a lot of homework after school.
[ ]
A.
to do
B.
doing
C.
do
D.
to have done until seven o clock.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The letter was______as it was the only one ever signed by the the Queen.
A.
unusual
B.
unique
C.
rare
D.
scarce
【单选题】．I’ve no idea．I just pretended nobody was at home, so I didn’t ask who _______ was．
A.
he
B.
that
C.
she
D.
it
【单选题】--- Have you finished the report? --- No．I ______ it all this week.
A.
will do
B.
had done
C.
have done
D.
have been doing
【单选题】____the watch ___and see if something is wrong with it.[ ]
A.
Take; apart
B.
Take; out
C.
Put; apart
D.
Put ;out
【单选题】He was willing to help me ,and expected nothing________ .
A.
In addition
B.
In return
C.
By chance
D.
By turns
【单选题】_______ from the moon, our earth, with water _______seventy percent of its surface, appears a blue ball
A.
Seen; covered
B.
Seeing; covering
C.
Seen; covering
D.
Seeing; covered
【单选题】Every possible means ________ to prevent the air pollution, but the sky is still not clear. [ ]
A.
has been used
B.
are used
C.
is used
D.
have been used
【单选题】Lessons can be learned to face the future, ________ history cannot be changed.
A.
though
B.
as
C.
since
D.
unless
【单选题】Jim went to answer the phone. ________, Harry started to prepare lunch. [ ]
A.
However
B.
Nevertheless
C.
Besides
D.
Meanwhile