At the beginning of class, the noise of desks _____ could be heard outside the classroom. 
#98029
A
opened and closed
B
to be opened and closed
C
being opened and closed
D
to open and close
推荐题目
He is a student at Oxford University, _________ a degree in computer science.
#93082
A
to have studied
B
studied
C
studying
D
to be studying
Only one of the places is ________
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A
worth to visit
B
worth visiting
C
worth of visiting
D
worth being visited
.Not ______ beautiful, the building is ______ now.
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A
looking, being built
B
looked, being built
C
being looked, building
D
looking, built