Dinner usually________ at six o'clock.
A. start B. starts C. to start
---- Last night,you forget _____off the computer when you went to bed.
----- Really?I remember _____off.
| A．to turn,to turn | B．to turn, turning |
| C．turning,turning | D．turning,to turn |
Look! There are many people ______ in the lake.
| A．are swimming | B．to swim |
| C．swam | D．swimming |
If you don’t know how to spell the new words, please_____in the dictionary.
| A．look up them | B．look it up |
| C．look them up | D．look up it |
— Is that your best friend Simon?
---No, it ______be him. He flew to Hong Kong yesterday.
| A．mustn ’ t | B．can ’ t |
| C．needn ’ t | D．may not |
Could you please tell me____?
| A．how much does it cost | B．how much is it |
| C．how many it costs | D．how much it costs |