Whoever leaves the lab last, _____ all the lights are turned off.
#76018
A
make sure
B
make sure of
C
be sure
D
be sure of
推荐题目
If you cannot come to the meeting, please let us know ______ so that we will cancel your hotel booking.
#71518
A
in general
B
in advance
C
by chance
D
by accident
My patience is ________. Don't keep me waiting any more.
#64409
A
gathering up
B
breaking out
C
running out
D
keeping up
He finally refused to ________ his plan of travelling the world.
#75479
A
give off
B
give up
C
give to
D
give in
Mammals ________ nearly all warm-blooded animals except birds.
#64904
A
settle in
B
settle down
C
take in
D
take up
After studying in a medical college for five years, Jane ___ a job as a doctor in the countryside.
#65671
A
set out
B
took over
C
took up
D
set up