I'm hungry now. Let's stop ________.
| A．having a meal | B．having a rest |
| C．to have a meal | D．to have a rest |
I will do it.
| A．after a minute | B．in a minute | C．right way | D．before a minute |
Why not _____ help when you were in trouble?
| A．you ask for | B．ask for |
| C．asking for | D．asked for |
Could you please ________?
| A．do the dishes | B．doing the dishes |
| C．to do the dishes | D．did the dishes |
Dropping litter ______ never allowed in our city.
| A．don’t | B．are | C．will | D．is |
It’s better ____ your voice down in public places.
| A．keeping | B．to keep | C．keeps | D．keep |