At the routine office meeting, the headmaster insisted that the problems _________ paid special attention to.
#96355
A
referred to being
B
referred to be
C
refer to being
D
refer to be
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____________ his accent, he is from the south of China.
#94020
A
Judged by
B
Judging to
C
Judging by
D
To judge
This machine is very easy      . Anybody can learn to use it in a few minutes.
#94917
A
operating
B
to be operating
C
operated
D
to operate
They seemed ______ each other for a long time.
#96275
A
knowing
B
to know
C
having known
D
to have known