At the beginning of class, the noise of desks _____ could be heard outside the classroom.
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A
opened and closed
B
to be opened and closed
C
being opened and closed
D
to open and close
推荐题目
___in the early 20th century, the school keeps on inspiring children’s love of art.
#90661
A
To found
B
Founding
C
Founded
D
Having founded
We regret _____ you that．because of the necessary repair, our library will be closed next month．
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A
to inform
B
informing
C
to inform of
D
of informing
We walked a long way to see him off, only _____ that he had just left.
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A
found
B
to find
C
finding
D
having found
__ his poor handwriting, he practises writing Chinese characters with a Chinese writing brush every day.
#97430
A
Improving
B
Improved
C
To improve
D
Improve