The question is very important. It really needs _______.
#97984
A
carefully discussing  
B
carefully to discuss
C
to carefully be discussed
D
being discussed carefully
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All her time __________ experiments, so she has no time for films.
#90332
A
devoted to do
B
devoted to doing
C
is devoting to doing
D
is devoted to doing
He will keep ________ new ideas so he can help farmers around China.
#96464
A
trying on
B
trying out
C
trying
D
both B and C
___________________, but he still couldn’t understand what I meant. 
#96328
A
Having been told many times
B
Having told many times
C
He had been told many times.
D
Although he had been told many times.
There is nothing interesting   at present.
#97792
A
go on
B
going on
C
to go to
D
goes on
They suggested that the professor _____ just now _____ chairman of the meeting.
#90757
A
referring to; was made
B
referring to; be made
C
referred to; be made
D
referred to; was made