--______ class is Betty ______?
--Class Five.
| A．What, on | B．How, in |
| C．What, in | D．How, on |
People along the river didn’t allow them to ______ a factory so as not to pollute the water.
| A．set up | B．give up | C．take up | D．look up |
I enjoyed your lecture very much, ______ there were some parts I couldn’t quite understand.
| A．because | B．unless | C．after | D．though |
–Are you satisfied with the result of the match?
–No! I can’t have ______.
| A．a better one | B．a worse one | C．the worse one | D．the best one |
---Have a nice day.
| A．You are welconme. | B．Thanks.And you? | C．You too. | D．All right. |
These shorts are on sale.They are____25 yuan each.
| A．always | B．only | C．sure | D．sometimes |