Madame Curie is believed _______ radium.
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A
discovering
B
having discovered
C
to have discovered
D
to discover
推荐题目
The plan to be carried out next month needs _______ among the members of the labor union before _________ .
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A
to discuss, carrying out
B
to be carried out, carried out
C
discussing, being carried out
D
discussed, to be carried out
You are requested at an English evening to be held at the school auditorium on Friday, at 7．00 pm．
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A
be present
B
to present
C
presenting
D
presented
It is fairly common in Africa for a group of musicians surrounded by others who also join in the performances.
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A
there are
B
there being
C
there to be
D
there be
The poor boy seems _____ the news that his father died in the car accident for there is no sign of sorrow on his face.
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A
not to be known
B
not to have received
C
to have not received
D
not to know
_____ with out girls, she is more active in class.
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A
Compare
B
Comparing
C
Being comparing
D
Compared