______ halfway through the exercise, the teacher changed his mind and collected all our papers.
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A
When only being
B
When we were only
C
Being only
D
Having been
推荐题目
Look, a group of students are playing the violin there, _______ their teacher as the conductor.
#66829
A
in front of them stand
B
in front of them stands
C
in front of whom standing
D
in front of whom stands
------ What did he want to know, Jim?-------_________ I could finish writing the report.
#66591
A
When was it
B
It was when that
C
It was when
D
When it was that
_____ is known to everybody, the moon travels round the earth once every month.
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A
It
B
As
C
That
D
What
The nutrients in _____falls into the ocean quickly become available to other living creatures.
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A
whatever
B
whichever
C
that
D
wherever
It was the belief ____ Alex Haley could find his root in Africa ____made him decide to go to Zombia．
#68265
A
/, which
B
which, that
C
that ,which
D
that ,that