用所给单词的适当形式填空。

1. Every student wants to get good_____(grade)in the exams.

2. They have lots of fashion_____(show)there.

3. He want_____(be) an actor when he grows up.

4. Michael is a_____(profession) baseball player.

5. I enjoy_____(sing)songs.

6. Can you finish_____(read)the book next week?

7. Listen,I hear her_____(sing)a song.

8. They enjoy_____(walk) to work when they are not busy.

9. Jim's home is 20_____(minute)  walk from the bus stop.

10. They decided_____(go) back.

摆式列车是集电脑、自动控制等高新技术于一体的新型高速列车，当它转弯时，在电脑控制下，车厢会自动倾斜，产生转弯需要的向心力；行走在直线时，车厢又恢复原状，靠摆式车体的先进性无需对线路等设施进行较大的改造，就可以实现高速行车。假设有一摆式超高速列车在水平面内行驶，以216km/h的速度拐弯，拐弯半径为1.8km，为了避免车厢内的物件、行李测滑行和站着的乘客失去平衡而跌倒，在拐弯过程中车厢自动倾斜，车厢底部与水平面的倾角的正切约为多少？(g＝10 m/s²)