—Do you know Neil Armstrong?
—Yes. He is the first man   on the moon.
A. to walk         B. walks           C. walked

There are several chemical factories        waste water into the river.
A．pour             B．pouring              C．pours

—May I listen to the music here, Mr. White?
—Sorry, you’d better         it like that.

Don’t forget ________ the letter to your friend．
A．send                   B．sent                    C．to send

You look tired．Why not stop ________ and have a rest？
A．to work              B．worked               C．working

How about ________ a newspaper in English？
A．read                   B．reading               C．see

The baby stopped     and began    .

He spends as much time as he can _______ English.

Simon is _______to make us all _______．

_______ keep yourself safe, it is important _______ drive after drinking.