题目内容
补全句子，用所给词的适当形式填空
He drives his car more ______ (careful) than he did three years ago.
There ______ (use) to be an old house near the river.
________ (slow) the number of the animals began to grow.
They stopped other people from ______(kill) the animals.
We can't live _____ (with) water or air.
We should stop other people from ______ (kill) animals.
