选择填空。 1. –Do you know what the clothes on the show are made of? –Waste paper. You see, waste things can to life. A. bring back B. be brought back C. take away D. be taken away 2. The wall is dangerous, we’d better or it may hur t people. A. pull it down B. pull it over C. pull it up D. pull it back 3. He would like to the next Clean-up Day. A. play with B. play to C. play against D. play a part in 4. The you came up with works out well and we will make more money A. problem B. picture C. transportation D. method 5. – The shark’s fins are good to people’s health, aren’t they? – No. None of the scientific studies this. It’s not. A. believe B. support C. accept D. manage