The farmers are only allowed to cut ______ trees and cut them _______ for firewood once a year.
| A．down, up | B．up, down | C．off, across | D．down, out |
What do you enjoy ____ your spare time?
| A．kill | B．to kill | C．killing | D．killed |
The workers were working from 7:00 a.m. to 7:00 p.m. that day, only ____ once at noon to have their lunch.
| A．to stop | B．stopping |
| C．to have stopped | D．having stopped |
If the weather had been better, we could have had a picnic. But it ____ all day.
| A．rained | B．rains | C．has rained | D．is raining |
-_____ you read the story?
-Yes. I _____ it at school.
| A．Have; read | B．Did; read |
| C．Have; have read | D．Did; have read |
There is only one more day to go ____ your favorite music group play live.
| A．since | B．until | C．when | D．before |