David spent all________day cleaning his bedroom．
| A．a |
| B．the |
| C．an |
| D．／ |
—Does he go to bed at 9:00?—Yes, he _______.
| A．is | B．goes | C．does | D．do |
_______ call me this afternoon! I’m not at home.
| A．Not | B．Didn’t | C．Doesn’t | D．Don’t |
If you are hungry, _______ something to eat.
| A．have | B．to have | C．having | D．has |
Mike wants to go to the library _________ some books.
| A．borrow | B．to borrow | C．borrowed | D．borrowing |
It is rude to laugh at people in trouble. The underlined part means .
| A．impolite | B．polite | C．kind | D．Friendly |