Research __________ out by several experts suggests that the oil spill in the Gulf has caused the fatal damage to the environment.
| A．to carry |
| B．carrying |
| C．being carried |
| D．having carried |
—Will this pair of trousers ________ when washed?
—I'm not sure. I am wearing it for the first time.
| A．explode | B．shrink |
| C．stand | D．break |
If we make ________ best of this new equipment, there will be ________ rise in our production this year.
| A．/；/ | B．the; a |
| C．/;a | D．/;the |
After the war, a lot of serious problems ________ and the price of food ________ by 20%.
| A．rise; rise | B．rose; arose |
| C．arose; rose | D．raised; aroused |
If we ________ the other road, we might have arrived here in time for the meeting.
| A．take | B．had taken |
| C．took | D．have taken |
—Sorry, I got a bad cold yesterday.
—Every time you are absent, you ________ an excuse.
| A．take up | B．give up |
| C．send up | D．make up |