We don't need to clean theclassroom now.
3.The running shoes are （20 dollars） （划线提问） How much are the running shoes?
4.Do you have time now?= Areyou free now?
5.I'll telephone her=I'll phone her = I'll give her a call .
6.wait a moment,please=Just a moment,please.
7.could you please say it again?=（ Pardon = Beg your pardon =I beg your pardon?