Anumberofanimals killedandthenumberofthem ...
問題詳情:Anumberofanimals killedandthenumberofthem getting smallerandsmaller. A.hasbeen;are B.hasbeen;is ...
問題詳情:Anumberofanimals killedandthenumberofthem getting smallerandsmaller. A.hasbeen;are B.hasbeen;is ...