There _____ lots of traffic on the road, so I didn’t catch my plane on time.
| A．were | B．are | C．was | D．is |
— We really shouldn’t use plastic bags any more when shopping.
— It’s important to protect our environment.
| A．So does it. | B．With pleasure. | C．That’s OK. | D．So it is. |
— How about going hiking this weekend?
— Sorry, I prefer rather than .
| A．to stay at home; go out | B．to go out; stay at home |
| C．staying at home; go out | D．going out; stay at home |
When the player finished running, he was out of .
| A．breather | B．breathing | C．breath | D．the breath |
— What does the sign 
on the bottle mean?
— It means “”.
| A．This side up | B．Dangerous | C．Recyclable | D．No Parking |
I often see Tom on the playground. When I passed the playground yesterday, I saw him .
A. play; playing B. to play; play C. playing; to play C. playing; play