–Our classroom _________ twice a day. So it is very clean.
–It is important for us to do this.
A．is sweeping B．is swept C．sweeps D．has swept
–Where is Mr. Zhang? –He _________ for two days. Can I give him a message?
A．left B．has left C．has been away D．leaves
–_________ is your home from your school? –It is only fifteen minutes by bike.
A．How far B．How often C．How soon D．How long
–Would you mind _________ your voice down? We are doing our homework.
–Sorry for that.
A．keep B．keeping C．to keep D．kept
–I always make mistakes in my math exams. What should I do?
–I think you should be _________.
A．enough careful B．enough carefully C．careful enough D．carefully enough
–Mrs. Huang often speaks to foreigners, _________?
–Yes, she wants to practice her spoken English.
A．doesn’t she B．is she C．does she D．isn’t she
