---Would you like another cup of coffee? ---__________ It tastes good.
| A．Yes, I’d like to. | B．Why not? |
| C．No, thanks. | D．That’s all right. |
—Must I come at four o’clock?
— Oh, no, you ____.
| A．don’t | B．mustn’t | C．don’t have to | D．can’t |
The students enjoy _________ English songs after class.
| A．practice to sing | B．practicing singing |
| C．to practice singing | D．to practice to sing |
You’d better ____ too much meat. You are much too fat.
| A．not eat | B．eat | C．not to eat | D．don’t eat |
Would you mind _______ the window for me? I feel a little cold.
| A．opening | B．closing | C．to close | D．to open |
—Where is Maria?
— I saw her ______basketball just now.
| A．played | B．to play | C．playing | D．plays |