______ winner, who might be the luckiest, was a housewife.

Mrs Read went to the market and bought several ______ eggs. 

The old tower looks nice. It’s about ______  

_____ work has been done to prevent the river being polluted.
A .A number of     B A mass of      C Several        D. A good many

He wrote a________ report last night.

Though winters in Britain are cold and there is usually snow, there are ________ places for skiing.

She looked unhappy because she had made ________ mistakes in the English test.

About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.

— How do you like his new novel?
— It is ____ interesting than I expected.

____ of time and energy have been spent in making the earthquake-stricken areas a permanent museum to remind people how disastrous a natural disaster can be.