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
推荐题目
The professor wants the students to pay more attention to the festivals ______ in other parts of the world.
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A
celebrating
B
having celebrated
C
celebrated
D
to celebrate
. _____ in her best skirt, the girl tried to make herself ____ at the party.
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A
Dressed; noticed
B
Dressing; noticing
C
Dressing; noticed
D
Dressed; noticing
Jenny hopes that Mr. Smith will suggest a good way to have her written English ______ in a short period.
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A
improved
B
improving
C
to improve
D
improve
At last the mother had no choice but ___________ her son herself, though she was quite busy．
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A
to pick up
B
pick up
C
picking up
D
picked up