. Emergency line operators must always ________calm and make sure that they get all the information they need to send help.
#76223
A
grow
B
appear
C
become
D
stay
推荐题目
The couple ________ a health centre in Cambodia，________ their seven year old son was born.
#63926
A
run; which
B
control; where
C
run; where
D
control; which
---Lucy, read this book I____ that you’ll be fond of it.---OK. I’ll read it after I have finished my homework.
#67353
A
order
B
guarantee
C
prove
D
reveal
I don’t ________ to be an expert on cars, but I do know that there is something wrong with your brakes.
#70669
A
abolish
B
boycott
C
claim
D
appetite