1 . A ________ in a bus, boat, plane is a person who is travelling in it, but who is not driving or working on it.

2 . Some holes were ________ yesterday. We can put the young trees in them now. And we can see many big trees in several years.

3 . The nice little dogs are so lovely. They often wave their ________ happily to welcome the owner back home.

4 . Students who seriously break school rules are supposed to be ________.

5 . The only way to beat difficulties is keeping trying ________ of complaining.

6 . Many wild animals are in danger, now. We should take ________ to protect them.

7 . I don’t have time to clean my room from ________ to Friday. So I clean it on weekends.

8 . Tomorrow is my sister Tina’s _______. I want to buy her a cake.

9 . In ________, most of the leaves start to turn yellow and fall, so it’s hard for cleaners to clean the roads.

10 . David plays _______ every day because he wants to play it as well as Yao Ming.