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
I’m told that languagepractising．com is a free website ______learners can not just learnvarious languages but also chat online．
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A
where
B
which
C
that
D
what
The Great Wall is __________ tourist attraction that millions of people pour in every year.
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A
so a well-known
B
a so well-known
C
such well-known a
D
such a well-known
“Well done, John.！ Not a single mistake _____ in your exam paper this time！”said the teacher.
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A
you made
B
did you make
C
had you made
D
you have made
Dreams occupy your mind; Goals take over your reality.But__will it take to turn your dreams into goals?
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A
how
B
when
C
what
D
why
Could you drive me to the bookstore at noon if________?
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A
it's convenient of you
B
you are convenient
C
it's convenient to you
D
you will be convenient