______ there’s going to ______ a basketball match tomorrow，______ I won’t go to watch it because I’m very busy.
| A．Though; be; but | B．Though; have; / | C．/; have; but | D．Though; be; / |
–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 |