( )1.(2013.凉山) - Would you like to go shopping with me, Carmen?
- I'd love to, _______ you don t want to go alone.
A until B. before C. if
( )2.(2013.无锡) - How long does it take to get to the airport?
- Forty minutes. But it's foggy today. I'm not sure _______ the highway will be closed soon. Let's set off earlier.
A whether B. when C. how D. why
( )3.(2013.陕西) Go downstairs, _______ stand in line on the playground as soon as possible.
A. and B. but C. so D. or