They ______ on the program for almost one week before I joined them.
A: had been working
B: bad worked
C: have been working
D: have worked
A: had been working
B: bad worked
C: have been working
D: have worked
举一反三
- By the end of last week, he ________ in the company for 10 years. A: had worked B: had been working C: will have worked D: would have worked
- I am tired. I ______ all day. A: am working B: have been working C: worked D: have been worked
- By the end of July, I _____ in the lab for two years. A: would have been working B: have worked C: will have worked D: will have been working
- 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
- This is the second year that I ______ in this college. A: worked B: have worked C: have been working