7.Han Mei made a lot of_____________(错误) in the test yesterday.

6.I think it’s very _______________(危险的) to drive on ice.

5.They_____________(到达) in the city of Richmond five days ago.

4.It’s _______________(必要的) for us to learn to wait in line.

3.The twins never____________(吵架) with 4each other.

2.It was really a ___________________(惊奇) that the police came that night.

1.The children went to the park and _________(玩得开心) themselves all day.

10.She __________ a bird yesterday afternoon. (catch)

9. I often do some _________ on Sunday.(wash)

8. Jack is a penfriend of __________.(he)