问题 填空题
把方框里的词填在合适的横线上,一词只用一次。
to, by, for, in, on
1. We are going to clean the classroom ___________ Friday afternoon.
2. Happy birthday ___________ you!
3. His grandparents live ___________ Beijing.
4. The doctor goes to work ___________ car every day.
5. Wait ___________ the yellow light.
答案

1. on  2. to  3. in  4. by  5. for

单项选择题
单项选择题