The United Nation's ________is located in New York City.
A. center
B. chamber
C. headquaters
D. settlement
查看答案
In the meeting, they had a ________discussion on the report.
A. heat
B. heated
C. heating
D. heater
She was at the ________of her career when she decided to go ahead.
A. glory
B. height
C. power
D. highness
When you have difficulties, do not ________to ask me.
A. hesitate
B. hesitant
C. hesitance
D. hesitation
He is trying to ________this from his father, but his father has already known about it.
A. find
B. conceal
C. hide
D. cover
微信支付 
支付宝支付