The teacher did what he could _____ his students.
| A．help | B．helping |
| C．helps | D．to help |
---Hello, may I speak to your father, please?
---Sorry, my father ______ to London. He went there this morning.
| A．goes | B．has gone |
| C．has been | D．go |
Great Britain is one of the countries ____ people drive on the left.
| A．where | B．that | C．which | D．there |
You can’t catch up with others ______ you work very hard.
| A．until | B．after | C．unless | D．when |
---Excuse me, could you please tell me if the match will be held on time?
---It depends on the weather. If it rains tomorrow, we’ll have to ______ it ______.
| A．turn … on | B．put …off |
| C．take … away | D．look …up |
--- Lucy tried her best in the speech competition
--- Yes, I think no one did ______ than her.
| A．good | B．better | C．badly | D．worse |