1. She said she wouldn't be free _____ tomorrow.
A. on B. for C. to D. until
2. I think Jack does his homework ___________ than his sister.
A. careful B. more carefully C. carefully D. more careful
3. — Jimmy, your books are everywhere on your desk.
— Oh, sorry. I'll __________ right now.
A. put them away B. put them up C. put them on D. put them down
4. He always makes a good plan ______ he does anything important.
A. before B. after C. though D. until
5. None of them knew what had happened _______ I told them about it.
A. when B. until C. after D. though
6. There will be a new bridge over 30 kilometers long _____ Ningbo and Jiaxing.
A. beside B. between C. next to D. from
