Taiyuan，a city in North China，was struck by a heavy snowfall last week，________serious traffic problems.
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A
to face
B
faced
C
facing
D
having faced
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While cleaning the snow on the road, _________.
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A
a wallet was found on the ground.
B
a wallet appeared on the ground.
C
I found a wallet lying on the ground.
D
I found a wallet laid on the ground.
Our English teacher often gets us _____ some famous films in the class.
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A
watch
B
watching
C
to watch
D
watched
Passengers are permitted only one piece of hand luggage onto the plane.
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A
to carry
B
carrying
C
to be carried
D
being carried