---How often do I need to feed the birds?
---They______ food every day, or they will be hungry.
| A．must give | B．mustn’t give |
| C．must be given | D．mustn’t be given |
—Is this your book, Alice?—Yes, it is ____ book.
| A．his | B．her | C．its | D．my |
I would like ____ apple.Could you get ____ for me?
| A．a; /an | B．an; one |
| C．a; the | D．the; one |
—The net bar is not a good place for children.
—_______. We’d better ask children to stay away from it
| A．Just so-so. | B．I don’t think so. |
| C．I agree with you. | D．Not at all. |
—I think computers are _______ more important than radios.
—I don’t agree with you.
| A．much | B．very | C．too | D．so |
—Why do you like living in the countryside?
—Because there’s _______ noise and _______ cars there.
| A．less; fewer | B．fewer; less |
| C．less; less | D．fewer; fewer |