.--- Cathy could swim when she was only 4 years old.
---_______________.
A. So did Jack.
B.So can Jack
C. So could Jack
—Would you like to climb mountains with me this Sunday?
—I’d love to. But I _______ play table tennis against Class Three.
| A．am going | B．am going to | C．am | D．going to |
I think _______ our duty to keep our environment clean and tidy.
| A．this | B．that | C．it | D．one |
The Greens will have _______ holiday in China.
| A．two weeks | B．two week | C．two-week | D．a two-week |
There are many shops on ________ side of the street.
| A．both | B．every | C．each | D．each of |
—I’m sorry to keep you waiting for me so long.
—_______
| A．I don’t think so. | B．Don’t say so. | C．It doesn’t matter. | D．I’d love to. |