—It’s time _____ lunch.
—OK. Let’s _____.
| A．for; go | B．for; going | C．to; going | D．to; go |
— I wonder at 6:00 yesterday afternoon.
— I was doing my homework in the reading room.
| A．what were you doing | B．what did you do |
| C．what you were doing | D．what you are doing |
— You shouldn’t eat too much junk food. It’s bad for your health.
— You’re right. junk food I eat, I will be.
| A．The less ; the healthier | B．The less ; the healthy |
| C．The more ; the healthier | D．The more ; the healthy |
The volunteers many signs to remind people to protect the environment.
| A．put on | B．put up | C．put down | D．put off |
useful robot! It can help with the housework like a human servant.
| A．How | B．What an | C．How a | D．What a |
It’s reported that there are more than 300 smokers in China, nearly a third of all the smokers in the world.
| A．million | B．millions |
| C．million of | D．millions of |