The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
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A
to be invented
B
having been invented
C
invented
D
to have been invented
推荐题目
_______ could be judged from her eyes that she was terribly sorry for what she _______.
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A
As…had done
B
That…did
C
As…did
D
It…had done
Through so much trouble，he learned ________ everyone needed friendship and ________self confidence is important.
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A
that；/
B
/；/
C
that；that
D
/；what
_____ is no possibility to visit the factory, for the rain is so heavy.
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A
It
B
There
C
That
D
This
The driver drove _______ hit at a big tree and the car came to s stop.
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A
too carelessly to
B
carelessly enough to
C
so carelessly that he
D
so careless that he