So far we have done a lot to build a low-carbon economy, but it is _______ ideal. We have to work still harder.
| A．next to | B．far from | C．out of | D．due to |
Clothing made of man-made fibers has certain advantages over _____ made of natural fibers like cotton, wool or silk.
| A．the ones | B．one | C．that | D．what |
At the meeting they discussed three different ____ to the study of English grammar.
| A．approaches | B．means | C．methods | D．ways |
He pretended _____ an important paper when the boss entered.
| A．to read | B．to be reading | C．to have read | D．to have been reading |
On AIDS Day, the minister of Health Department demanded that the problems _____ paid special attention to.
| A．referred to being | B．referred to be | C．refer to being | D．refer to be |
Although some people expressed their disagreement at the meeting, most of them were _____ the reform.
| A．in need of | B．in memory of | C．in favour of | D．in honour of |