John ______ leave for New York tomorrow, but I’m not sure.
| A．must | B．may |
| C．could | D．need |
The number of people present at the concert was ________ than we expected.
| A．much fewer | B．much smaller |
| C．much more | D．many more |
We work together to achieve our common purpose: ________ world that is safer, cleaner and healthier than ________ one we are living in.
| A．the ; / | B．a ; / |
| C．the ; the | D．a ; the |
---Would you mind turning off the TV?
----____________, I am listening to an important report.
| A．Of course not | B．No, not at all |
| C．I’m afraid not | D．Yes, I do |
----Would you please ______ the paper for me and see if there are any obvious mistakes?
-----Of course I will.
| A．look around | B．look through |
| C．look up | D．look into |
The Greens used to live in London, but they ___________ in Beijing so far.
| A．are used to living | B．are used to live |
| C．have been used to living | D．have been used to live |