Parents should take seriously their children’s requests for sunglasses _______ eye protection is necessary in sunny weather.
| A．because | B．through |
| C．unless | D．if |
But for the arrival of the police, you __________ killed yesterday.
| A．might have been | B．could have been | C．may have | D．would be |
---Do you know the great changes happening in our village at all?
---No, it’s the first time I ________ here.
| A．was | B．came | C．have been | D．am coming |
Today the public is much concerned about the way _______ .
| A．nature is being ruined | B．which nature is ruined |
| C．on which to ruin nature | D．of nature to be ruined |
While a number of villagers in Shangcheng, Henan Province a kind of disease caused by the biting of a certain worm, very suffered death.
| A．picked up, few | B．took up, few | C．brought up, a few | D．picked up, a few |
Among millions of people who watched television coverage of the rescue of the Chile’s first miner _________U.S. President Barack Obama, who hailed the operation as an inspiration to the world.
| A．is | B．were | C．are | D．was |