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【单选题】
You need to walk __ __ this road quickly. There's lots of traffic.A.
across
B.
through
C.
round
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反馈参考答案：
举一反三
【简答题】We couldn't help when we heard the news that we were going to have a three-day holiday.
【单选题】吊钩角由两根绳构成,两根绳上分别产生拉力。两根分绳的角度取决于负载的重量,重量增加角度加大,无论任何提升过程,吊钩角度不得超过:
A.
50°
B.
60°
C.
70°
D.
.80°
【单选题】We couldn't read the notice on the board because several people were standing______it.
A.
in front of
B.
in the front of
C.
at the back of
D.
in back of
【单选题】your help, we couldn't complete the work in time, I am afraid.
A.
If not
B.
Without
C.
Have we not had
D.
If we had not been
【单选题】We couldn't find the foreign boy anywhere. He____.
A.
has gone
B.
is gone
C.
went
D.
gone
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