By the end of this century, the population of the world ______ , and so may the population of the small country.
A: will be doubled
B: may be double
C: will have to be doubled
D: may have been doubled
A: will be doubled
B: may be double
C: will have to be doubled
D: may have been doubled
举一反三
- Since the end of World War II, Australia's population more than doubled, spurred
- They _____ the price of house in the past ten years. A: doubled B: have doubled C: double D: are doubling
- Not until recently have we realized that the increasing world population may lead to a potential gloomy ____ for humanity: starvation.
- The population of our country has ______ doubled in the past three years. A: larger than B: more than C: as great as D: as many as
- The average income of the people in this small town is ______ in the past three years. A: [A] more than doubled B: [B] more doubled than C: [C] much than doubled D: [D] much doubled than