——________ do you usually go to school? ——On my bike.
| A．How | B．What | C．Why | D．When |
You will fall behind others_______ you work hard.
| A．if | B．unless |
| C．though | D．since |
-I don't know about you, but I'm sick and tired of this weather.
-_______. I can't stand all this rain.
| A．I don't care | B．It's hard to say |
| C．So am I | D．I hope not |
- What do you want to be when you grow up?
-I want to be_______ social worker. Many people are in great need of our help.
| A．a | B．an |
| C．the | D．不填 |
David_______ all night in order to watch the football match between France and Italy.
| A．put up | B．stayed up |
| C．got up | D．showed up |
- Look! Somebody_______ the sofa.
-Well, it wasn't me. I didn't do it.
| A．is cleaning | B．was cleaning |
| C．has cleaned | D．cleans |