干槽症的剧烈疼痛一般发生在拔牙后多久？（）
A.24小时
B.1～2天
C.2～3天
D.4～5天
E.5～7天
参考答案：C
My best friend lent me a (an)__________ so that I wouldn’t get wet in the rain.
A．candle
B．umbrella
C．scarf
D．wallet
____, or we will be late for the meeting!
A．Moving on
B．Get a moving on
C．Get a move on
D．Get on a moving
