It’s so crowded here. Let’s make some ______ for the baby.
| A．house | B．room | C．seats | D．chairs |
The ______ at this time is very busy. There are too many cars on the road.
| A．light | B．line | C．environment | D．traffic |
I hear that Tom will be back _______ a month.
| A．at | B．in | C．for | D．on |
Doing sports is good for your health, _______ ?
| A．is it | B．are they | C．isn’t it | D．aren’t they |
––Would you mind _______ the music? Your grandpa is sleeping.
––Sorry. I’ll do it right away.
| A．turning on | B．turning up | C．turning back | D．turning off |
––_______ have you been a volunteer?
––Since three years ago.
| A．How long | B．When | C．How often | D．What |