— Could you give me some on how to learn English ?
— Sure. Practice makes perfect.
| A．advice; good | B．suggestions; good | C．advice; well | D．suggestion; well |
—Can I go to the park, Mum?
—Certainly. But you ______ be back by six o’clock.
| A．can | B．may | C．might | D．must |
—I’m leaving now.
—______ you turn off the lights and the computer.
| A．To make sure | B．Make sure | C．Made sure | D．Making sure |
The population problem may be ______ one of the world today.
| A．the most | B．most difficult | C．the greatest | D．more interesting |
Don’t ______ so often. It’s bad for your health.
| A．get up | B．stay up | C．look up | D．come up |
—Mum, when can I watch TV?
—As soon as your homework ______.
| A．finish | B．finished | C．is finished | D．will be finished |