15.Every day before Tom leaves home, he usually__________　 　　　　　　(挥手) to his mother.

14.When I was young, I liked to see the soldiers___________　 　　　　　　(行进，前进)　 along the road in front of my house.

13.This summer, we’ll go to Hainan for a holiday. I think it’ll be a happy 　　　　　　(经历)　 to me.

12.The earth is our home. Everyone of us shouldn’t 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　do 　　　　　　(伤害) to the environment.

11.I liked the show, because the 　　　　　　(表演者)　 all did very well.

10.While they were taking the train to Chengdu, the Greens kept seeing the beautiful 　　　　　　(风景)　 outside the windows.

9.I like water sports. My favourite are 　　　　　　(帆船运动) and swimming.

8.If you don’t know the 　　　　　　(意思) of the world, please look it up in the dictionary.

7.After planting the tree, please knock a stick into the hole next to it, and　 　　　　　　(绑，捆) the tree to the top of the stick.

6.I was so excited that I 　　　　　　(拍手)　 my hands all the time.