问题

It’s nearly four years since I worked in that farm. I ________ a band with other fellows.
A:operated
B:had been operating
C:was operating
D:am operating
B:had been operating
C:was operating
D:am operating
正确答案是:
同类题型
_____ our money, but we were nearly killed. [ ]
s the doctor _________, your wife is not exactlyfat, but rather well-built for her age.
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Nancy after supper, as she was going to host a charity show that evening.