When Tim ___ why he was late for school, he just kept silent.
| A．was asked | B．asked |
| C．was asking | D．is asked |
Many old men prefer __________ in a peaceful countryside.
| A．to live | B．living | C．live | D．lived |
Mary likes learing English,______ she doesn’t like learning math at all.
| A．and | B．or | C．but | D．so |
------I’m taking the driving test next Sunday.
------________!
| A．Good luck | B．With pleasure |
| C．Good work | D．Congratulations |
______ trees are cut down in the forests every year.
| A．Thousand | B．Thousands |
| C．Thousands of | D．Thousand of |
The population of the world in 20 century became very much _____than that in 19 century.
| A．bigger | B．lager |
| C．greater | D．more |