Don’t keep water running when you wash hands.-_______.

It is difficult for a teacher to give attention to children in a large class．We should reform the situation in order to meet each child’s needs．

The law ________ last month and it is good for everyone.[ ]

When ________ what made him a popularperson, he said it was his personality.

May I use your computer to send an important email now, Paul— . I will not use it.