Since I began to work here three years ago, this factory ______ in size.
A: [A] had doubled
B: [B] has doubled
C: [C] doubled
A: [A] had doubled
B: [B] has doubled
C: [C] doubled
举一反三
- The _______ production of engines in our factory has doubled this year.
- 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
- What do we learn about the number of international students in China in 2017? A: It has increased a little than 10 years ago. B: It is as three times as 10 years ago. C: It is the same as 10 years ago . D: It has more than doubled during the past 10 years.
- 下面赋值语句不正确的是()。 A: floatf=11.1； B: doubled=5.3E12； C: doubled=3.14159； D: doubled=3.14D；
- 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