---Tom, _____ the phone. I'm busy preparing supper.
--- Coming, Mum.
| A．answer | B．answers |
| C．to answer | D．answering |
We are sure one day the air in Beijing will be much ______ than today.
| A．clean | B．cleaner | C．cleanest | D．the cleanest |
We arrived _____ Shanghai______ the morning of July 2nd.
| A．at, in | B．at, on | C．in, in | D．in, on |
_____ too much TV isn’t good _____ our eyes.
| A．Watch; to | B．Watching; for |
| C．Watch; for | D．Watching; to |
The weather in Beijing is ________.
| A．cold and cold | B．more and more cold |
| C．colder and colder | D．more cold and cold |
It’s very kind of you to____ so much time showing me around your school.
| A．take | B．spend | C．cost | D．have |