— Are you willing to live on Mars one day?
— It sounds exciting,but it still worries me.
| A．Of course I am. | B．I’m not sure. |
| C．Why not? | D．Are you joking? |
Only then_______ his mistakes.
| A．he realize |
| B．did he realized |
| C．did he realize |
| D．he realized |
___________ that a new zoo will be built in our town.
| A．That’s said | B．It is said |
| C．This is said | D．It said |
----- Does she like singing English songs?
------Yes.She _______ to sing English songs in her room.
| A．often does | B．is often heard |
| C．often hears | D．heard |
What kind of music do you like?
----- I like music ________ I can dance to.
| A．because | B．when | C．who | D．that |
Her son ___________ cocoa, but now he___________ milk
| A．used to drinking；drinks |
| B．used to drink； is used to drinking |
| C．is used to drinking；used to drink |
| D．is used to drink ； is drinking |