As civilization______, more and more people have realized the importance of preserving rare animals from extinction.
| A．stretches | B．spreads | C．extends | D．expands |
—Why didn’t you attend his wedding ceremony?
一Well …，I．
| A．wasn’t invited | B．haven’t been invited |
| C．hadn’t invited | D．haven’t been inviting |
It was because of hard trainingthe sportsman won the gold medal in the competition．
| A．how | B．that | C．why | D．which |
People demanded that the governmentto bring down the housing price
| A．take action | B．took action |
| C．must take action | D．would take action |
Some people in Beijing go to work half an hour earlier every day to avoidin the traffic jam
| A．to catch | B．catching | C．to be caught | D．being caught |
This new model of car is so expensive that it isthe reach of ordinary people
| A．over | B．within | C．beyond | D．below |