Question

根据对话内容，用方框中所给短语的适当形式填空。

be good for  hear of  be off  turn off  a lot of  pollution  worry about  plant some trees  join in look after throw away

Mike: I hear you    1    to the Caribbean for a long holiday! Lucky you! But aren't you    2    the dangers           of such long flights on the environment? Ken: Why should I be worried? Mike: Planes cause    3   . Ken: I know, but what can I do about it? I already try my best to protect the environment. I recycle,         and I don't just    4    things if I don't want them any more. I    5     the lights when I leave a room.          Don't tell me we shouldn't travel by plane any more! Mike: No, of course not. But there is something we can do about it. Have you    6    future forests             company? It's an environmental group that helps to    7    trees. By planting more trees, We can            help keep the air clean, because trees    8    the environment. In this way, we can reduce the            dangers of pollution. Ken: Good! So I can enjoy my holiday, and when I come back, I    9   ! Mike: That's a good idea! Maybe we can all   10    and start a small forest!

Answer 1

1. are going to be off 2. worried about 3. a lot of pollution 4. throw away 5. turn off   6. heard of 7. look after   8. are good for 9. plant some trees   10. join in