题目内容：

 

1.Kitty’s little dog ________(weigh)only three kilograms.

2.She always _______(keep)her room clean when she was young.

3.The student put his book on the desk and then ______(leave)the classroom.

4.The little boy kept__________(nod) when his mother spoke.

5.Camels can live without_________(drink)for a long time.