－When did you get your first pair of skates?
－_______.
| A．For 6 years | B．Since I was 6 years old. |
| C．When I was 6 years old. | D．Since 6 years ago. |
Humans can’t live _______air.
| A．without | B．with |
| C．in | D．for |
---Oh, you have a headache and a cough. _______have you been like this?
---Three days.
| A．How long | B．How soon |
| C．How often | D．How many |
I prefer_____ to ______.
| A．sing, dance |
| B．singing, dancing |
| C．singing, dance |
| D．sing, dancing |
— I’m sorry for losing your book .
— ______________
| A．Oh , it’s nothing . |
| B．You’re welcome. |
| C．That’s OK . |
| D．Thank you all the same . |
Well, if you take this medicine____________, you’ll be better soon.
| A．three time a day |
| B．three times a day |
| C．third time a day |
| D．third times every day |