—I called you at about 8:30 last night, but nobody answered.—Oh, I ________in my office at that time.A. worked B. was working C. will work
The dolphins ____________interesting in the zoo.
_________________?—Not bad.
—____Li Hong_ ______reading English?—Yes, she does.
Tom often ________TV on Sundays. It’s Sunday today, and he_________ TV now.
—Where does your father work?—___________________