Li Lei often takes care of the old woman after school.
Physics _________much easier for me since Mrs. Yang began to teach us.
After a 3-week winter vacation, students usually _________ some weight when they return to school.
The more careful you are, ________mistakes you’ll make.
---________does she study English? ---________ working with a group.
— I haven’t got a partner _________. — Maybe you can ask John for help.