A、 B、 C、 B

admin2019-09-17 3

问题

6. Mary cooked her dinner while she listened to the radio.
7. Jack is helping his daughter learn to ride a bike.
8. Susan jumped into the river and swam to the other side.
9. A little dog is running behind a boy on the road.
10. Jane always wears a hat when she works in the garden.