I've become good friends with several of the students in my school __________ I met in the English speech contest last year.
| A．who |
| B．where |
| C．when |
| D．which |
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 |
The fantastic mud-rock flow in Zhouqu of Gansu at about 22 o’clock on August 7th, 2010 was considered______ deaths of more than 1,000 natives .
| A．to cause | B．causing | C．to be causing | D．to have caused |
Paper produced every year is the world's production of vehicles.
| A．the three times weight of | B．three times the weight of |
| C．as three times heavy as | D．three times as heavier as |