-What did Mr. Green say to his son? -He told him .
| A．didn't smoke | B．don't smoke |
| C．not to smoke | D．not smoke |
Sam! Look at your bedroom. Why don’t you _____________?
| A．finish your homework | B．do the dishes |
| C．make your bed | D．do the cooking |
—Could you please do the dishes?
—_________________
| A．No, I don’t. |
| B．Thank you very much. |
| C．Yes, please. |
| D．Sorry, I have to do my homework first. |
Could you take care of my cat _________ I’m on vacation?
| A．what | B．why | C．who | D．when |
—__________? —Yes, sure.
| A．Could you please help me | B．What are you going to do |
| C．How are you | D．Why are you late |
Don’t forget ________ the door when you left?
| A．close | B．to close | C．closing | D．closes |