Gary Locke , a Chinese-American , once______ as the governor of Washington for 8 years and now is U. S. Commerce Secretary.
A. had worked B. worked C. is working D. has been working
Gary Locke , a Chinese-American , once______ as the governor of Washington for 8 years and now is U. S. Commerce Secretary.
A. had worked B. worked C. is working D. has been working
B