______ a teacher, his main duty is to help the students become better learners.
| A．As | B．By | C．About | D．With |
--You haven’t been to Guangzhou, have you?
--. How I wish to go there again.
| A．Yes, I have | B．No, I haven’t |
| C．Yes, I haven’t | D．No, I have |
I’m afraid the life we are used to a lot in a few years’ time.
| A．changing | B．will change | C．changed | D．Change |
--What brought joy to Linda just now? -- .
| A．Received a gift |
| B．Receiving a gift |
| C．She received a gift |
| D．Because she received a gift. |
Could you tell me how long the football club?
| A．you have joined | B．have you joined |
| C．you have been in | D．have you been in |
We must try our best to stop the pollution a happy life.
| A．from live | B．from living |
| C．live | D．to live |