This is the best way _____ the river from _____ .
| A．to prevent; being polluted | B．preventing; polluting |
| C．preventing; being polluted | D．to prevent; polluting |
- Do you have______ready for the opening ceremony. Ted?
- No. we still need some volunteers.
| A．everything | B．somethng |
| C．anything | D．nothing |
- You've got your flat funished. haven't you?
- Yes. I______some used furniture and it was a real bargain.
| A．will buy | B．bought |
| C．had bought | D．have bought |
Some researchers believe that there is no doubt______a cure for AIDS will be found.
| A．whether | B．that |
| C．what | D．which |
Nowadays more people are advised to arrange for insurance_____they need medical care.
| A．in order | B．in need |
| C．in case | D．in hope |
Last Monday, I was asked to give the new students a test____ their English level.
| A．grading | B．to grade |
| C．to have graded | D．having graded |