---What are you busy with ?--- We are carrying out a research ____ the causes of cancer.
#27580
A
into
B
onto
C
to
D
in
推荐题目
The two ladies are ________ the same age, but there seems to be ten years ________ them.
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A
at, between
B
about, among
C
as, among
D
of, between
I would like a job which pays more，but ________ I enjoy the work I'm doing at the moment.
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A
in other words
B
on the other hand
C
for one thing
D
as a matter of fact
Most of the educators are ______ providing more freedom to the teenagers, believing that it may make them more creative and independent.
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A
in favor of
B
in search of
C
in charge of
D
in need of
After the class was over, the student apologized _______ the teacher ______ his coming late.
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A
/; because
B
/; for
C
to; because
D
to; for