Since then the number of wild animals there _____greatly.
A: have increased
B: has increased
C: is increased
D: are increasing
A: have increased
B: has increased
C: is increased
D: are increasing
举一反三
- Numerical and computer control of machine tools ________ productions and improved the quality of product. A: has greatly increased B: have greatly increased C: are greatly increasing D: was greatly increased
- Thousands of people have been moving to Shenzhen since 1992, its population _________ to over 10,000,000. A: increasing B: increased C: has increased D: has been increased
- The company __________its sale by an average of 10% per year since its establishment in1993. A: increases B: increased C: is increasing D: has increased
- Computers have greatly increased ______ in business offices.
- Housing prices ________ since the end of the last year. Therefore, it's time the central government ________ some effective measures to bring them under control. A: have increased; would take B: have increased; will take C: have been increasing; take D: have been increasing; took