_____ work has been done to prevent the river being polluted. A .A number of B A mass of C Several D. A good many
_______you’ve tried it, you can’t imagine how pleasant it is.
While watching television, ________.
.It was so dark in the cinema that I could hardly ________ my friend.
This new model of car is so expensive that it is ________ the reach of those with average incomes.
------Is it Jim who is driving the new car? -------Probably. I know he has recently bought a ______car.