Beijing is one of________cities in the world．
| A．big |
| B．bigger |
| C．biggest |
| D．the biggest |
---- Sandy, _______ apple on the table is for you. Remember to eat it.
-----Thanks, I will._______ apple a day keeps the doctor away.
| A．the; An | B．an; An |
| C．an; The | D．the; A |
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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. |
Which of the following is new energy?
| A．coal | B．oil | C．wind | D．gas |
— The bag looks big. Do you need a hand?
— Oh, it is empty. ________.
| A．Never mind | B．You’re welcome |
| C．Thanks, anyway | D．It doesn’t matter |