Which of the following actions is NOT part of green life?
| A．Burning rubbish in the open air. |
| B．Planting trees in spring. |
| C．Walking or riding bikes to school. |
| D．Taking a shopping basket when going shopping. |
---______has Tom been a doctor?
-----Since two years ago.
| A．How soon | B．How much |
| C．How many | D．How long |
Mr. Hu has traveled to six countries _______.
A over the years B. in the years
C. after the years D. before the years
Though he is _____ at home, but he doesn’t feel ______
| A．alone , lonely | B．lonely , alone |
| C．alone, alone | D．lonely, lonely |
He’s gone to the library ,_______ he ?
| A．isn’t | B．doesn’t |
| C．hasn’t | D．wasn’t |
-----Did you get there by _____bike?
-----No, I took _____taxi.
| A．a, a | B．/,a |
| C．the , the | D．a , the |