In making a scientific experiment, one should not be _____ by temporary setbacks but should stick to doing it hopefully.
#64203
A
cast down
B
put away
C
taken in
D
put out
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—You seem familiar with Mr. John?—Sure, we ______ together for three years in the 1990s.
#65767
A
have worked
B
had worked
C
are working
D
worked
He was in hospital for six months. He felt as if he was _______ from the outside world.
#70920
A
cutout
B
cutoff
C
cutup
D
cutthrough
--Thank God you are safe! ---I stepped back , just _________ to avoid the racing car.
#65435
A
in need
B
in case
C
in time
D
in turn
This problem may _______ more serious ones if left unsolved.
#72583
A
come across
B
refer to
C
carry on
D
lead to
. I was embarrassed to admit that yesterday I ______ a serious error.
#72777
A
acted
B
committed
C
performed
D
completed