—Let’s go for a picnic next Sunday.
—Sorry, I can’t. I have to look ____________my pet parrot.
A．after B．at C．for D．like
—What did your math teacher say ?
— She said I was ____________.
A．work hard B．working hardly C．hard-working D．hard work
—Does your mother often surf the Internet ?
—Yes, ___________ she doesn’t buy any thing on line.
A．but B．or C．and D．so
—Thank you for carrying me to hospital, young man! It’s kind of you.
—_____________. Helping others makes me happy.
A．Yes, please B．No, thank you
C．You are welcome D．No, you don’t have to
—_____________ do you visit your grandparents?
—Twice a month.
A．How many B．How much C．How far D．How often
The Great Wall is ____________ wall in the world. There are many stories about it.
A．long B．longer C．the longest D．the long
