Emergency line operators must always _______calm and make sure that they get all the information they need to send help.
#64131
A
grow
B
appear
C
become
D
stay
推荐题目
－How did it that the secretary knew where we were?－Maybe he had been following us.
#64797
A
come about
B
come across
C
come off
D
come round
John's mother used to be very _____ about what she wore，although her family was not that rich.
#70558
A
curious
B
special
C
particular
D
anxious
We _____ close friends since we got to know each other in 2006, and we always keep in touch.
#70622
A
were
B
have been
C
will be
D
had been
Now a lot of new technologies can ___________ problems in industry.
#71597
A
be applied to solve
B
be applied to solving
C
apply to solve
D
apply to solving