--- ---The kitchen fan doesn’t work.
| A．What’s that? |
| B．What’s the matter? |
| C．Can I help you? |
| D．How are you? |
It’s our_________/'dju:ti/to study hard.
| A．dollar | B．duty | C．dinner | D．date |
We must _________/kli:n/the classroom every day.
| A．clean | B．clear | C．clever | D．cheap |
How often do you take a shower? I take a shower________/ wins/ a day.
| A．won | B．once | C．win | D．one |
This isn’t my ______/hæ t/.
| A．hit | B．cat | C．hat | D．head |
Sir, you should__________ at the red light．But you didn’t．
| A．stop | B．have stopped | C．not have stopped | D．stopped |