—Mum, can I go out and play with my friends now?
— Certainly, but your homework _________first.
| A．should finish | B．should be finished |
| C．finishes | D．has been finished |
Ann used to _____a bike to work but now she is used to _____ to work.
| A．ride; walk | B．ride; walking |
| C．riding; walk | D．riding; walking |
Could you please ______ the door? It’s cold outside.
| A．open | B．not open |
| C．opening | D．not opening |
—Would you mind me ______ TV?
—Of course not.
| A．to watching | B．watch |
| C．to watch | D．watching |
My mom allows me ______ computer games once a week.
| A．to play | B．play |
| C．playing | D．to playing |
Tom was so tired that he lay down and ________ quickly.
| A．fell ill | B．stayed up |
| C．got up | D．fell asleep |