_____ in the company for three years, Mark has become experienced in business negotiations.
A: Having worked
B: Having been working
C: Have worked
D: Worked
A: Having worked
B: Having been working
C: Have worked
D: Worked
举一反三
- ________ in the company for three years, Kevin has become experienced in foreign trade. A: Having worked B: Have been working C: Have worked D: Worked
- () here for 3 years, she has been quite experienced in dealing with those affairs. A: Having worked B: Having been worked C: Have worked D: Worked
- ________ in the company for three years, Mark has become experienced in business negotiations.
- ____ in this field for nearly 10 years, Mark has lots of experience and is fit for the position. A: Having worked B: Worked C: To have worked D: Have worked
- ________hard before, Tom is afraid of failing in the exam. A: Having been worked B: Not to have worked C: Having never worked D: Never have worked