举一反三
- By the end of this year, I _________ English for ten years. A: am studying B: study C: have studied D: studied
- By the end of last term we ___ English for two years. A: have studied B: have been studied C: would studied D: had studied
- By the end of next year, I _____ as an engineer in this company for ten years. A: have worked B: am working C: will work D: will have worked
- By the end of last year, I ______ in this college for ten years. A: have worked B: had worked C: worked D: have been working
- I __________English for two years before I came here. A: have studied B: had studied
内容
- 0
By the end of this year, I_______ stamps for ten years. A: will have collected B: have collected C: collect D: collected
- 1
He spoke English well. He _____the language for years. A: should have studied B: ought to have studied C: must have studied D: could have studied
- 2
Researchers have studied the connection between aspirin and heart disease for _______. A: more than a century B: more than ten years C: more than one year D: a few years
- 3
By the end of last year we ____ each other for ten years. A: have known B: knew C: were knowing D: had known
- 4
You have $5,000 you want to invest for the next 45 years. You are offered an investment plan that will pay you 6 percent per year for the next 15 years and 10 percent per year for the last 30 years. How much will you have at the end of the 45 years? How much will you have if the investment plan pays you 10 percent per year for the first 15 years and 6 percent per year for the next 30 years?