_____does it takes to get to school? Half an hour.
| A．How many | B．How far |
| C．How long | D．How high |
Even Tony’s six-year-old son asked him ______ smoking.
| A．stops | B．stopped | C．stopping | D．to stop |
The schoolboy ______ a blind man cross the street yesterday.
| A．helps | B．helped | C．will help | D．has helped |
— Can he jump high?
— Yes， he ______. He is a good high jumper.
| A．can | B．need | C．must | D．shall |
It was dark， ______ I couldn’t see what was happening.
| A．or | B．though | C．but | D．so |
I often go on holiday with my parents _____ summer.
| A．on | B．at | C．in | D．of |