--- Were you at school when he came to see you ?---- Yes, I __________ a math class .A. had B. was having C. am having
---- Have you ever _____ to Hong Kong?--- Yes. In fact, I _____ there last week.
Florence Nightingale was well-known _____ a nurse in England _____ her kindness to the sick and wounded soldiers.
I saw some _____ teachers _____ out of the office.
---There is nothing to worry about, _____?--- _____. I have prepared everything well.
Two _____ the students _____ to the opening ceremony.