— Attention, please. The plane has to be _________ because of the foggy weather.— Oh, bad luck! We have to wait now. 
#53209
A
put on
B
put off
C
put up
D
put away
推荐题目
The young woman always ______ sunglasses in the sun. 
#55747
A
wears
B
puts on
C
dresses
D
tries on
 Why not _________ your teacher for advice when you don’t know __________ the problems?
#52359
A
ask, what to do with
B
to ask, how to deal with
C
ask, what to deal with
D
to ask, how to do with.
 —Fire is very useful to human! —Yes, especially in winter a fire _____________warm.
#62971
A
used to keep
B
can be used to keep
C
is used to keeping
D
was used to keeping