Paper produced every year is ______the world’s production of vehicles.
| A．the three weight of |
| B．three times as heavier as |
| C．three times the weight of |
| D．as three times as heavy as |
When the slave trade was abolished in 1838, the former slaves the carnival.
| A．took up | B．took down | C．took over | D．took in |
If they broke the law, they for up to two years.
| A．are put into prison | B．were put into prison |
| C．are put into the prison | D．were put into the prison |
time passed, however, the carnival period was extended.
| A．As | B．when | C．while | D．since |
Mark Twain left school early, make a fortune in South America.
| A．was determined to | B．was determining to |
| C．determining to | D．determined to |
It was dark, but I could see a man on the floor, with a rope.
| A．lie, tie up | B．lay, tied up | C．lying, tied up | D．lying, tying up |