1.提示:根据句意,这里应该指听演讲,由时间状语“last week”可知,要用动词的过去时态。　

答案:listened to　

5.If you 　　　　　　animals,you can go to the zoo.

4.We must 　　　　　　to protect wildlife.

3.Some people want to change the wetlands to 　　　　　　for farms and buildings.　

2.It is a ideal home for different 　　　　　　plants,fish and birds.　

(用方框里的短语的适当形式填空。)　

1.I 　　　　　　your talk last week and I would like to become a member of your club.　

5.We are now 　　　　(邀请) secondary school students to help.　

答案:1.endangered　2.careless　3.provide　4.importance　5.inviting

●Exercises for phrases　

(短语专练)

4.We should make more people know the 　　　　(重要性) of wetlands.　

3.The area can 　　　　(提供) food and shelter for the wildlife.　

2.You are so 　　　　(粗心的) that you made a lot of mistakes in your homework.