题目
A、look up to
B、keep in mind
C、make use of
D、fill up with
第1题
Be careful when you ________ the derrick
A.operating
B.operates
C.operate
D.operated
第2题
________ when you cross the road.
A、Do care
B、Care
C、Do be careful
D、To be careful
第3题
Please be careful when you are drinking coffee in case you __________ the new carpet.
A) crash B) pollute C) spot D) stain
第5题
You cannot be __________ careful when you drive a car.
A) very B) so C) too D) enough
第7题
case you __________ the new carpet.
A) crash B) pollute
C) spot D) stain
第8题
A.operate
B.deal
C.cope
D.handle
第9题
A.could
B.might
C.ought to
D.may
第11题
A.could
B.might
C.ought to
D.may
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