9.Many people get used to ___________ walks after dinner

8.The smile on the teacher’s face showed that he was ______________ with us.

7.-What should I do when we meet for the first time?　 -You are ______________ to shake hands.

6.___________ are used for cutting things.

5.-___________ is this backpack?　　　　　　 -It must be Lucy’s. I saw her put it here just now.

4.I feel more ________ after taking a long vacation.

3.It’s much ___________ to stay in the open area when there is an earthquake.

2.It’s very rude to leave a party _____________ telling someone.

1.People should speak to old people _____________.

10.There will be less good ___________ (土地) in a hundred years.