问题
填空题
根据句意用适当的介词填空.
1. Sally is often late _____ school.
2. Lisa,what are you listening _____ now?
3. I have to go _____ bed by 9:00 p. m.
4. Emily, what do you usually do _____ Sundays?
5. Peter often helps me _____ my lessons.
答案
1. for 2. to 3. to 4. on 5. with