—What is people in Canada? —About thirty-two million. |
A. the number of B. a number of C. number D. the population |
Chinese are trying their best to learn English well before the Beijing 2008 Olympics. |
A. Thousand B. Thousands C. Thousand of D. Thousands of |
Great changes _____ in our country since twenty years ago. |
A. have taken place B. have been taken place C. took place |
Travelling by air may be ______, but not so ______. |
A.quicker, cheaper B.more quickly, cheap C.quicker, cheap D.more quickly, cheaper |