285. In the hotel semi-skilled workers include chambermaids (客房女服务员) and______ or waitress, who must have training for their particular duties.
______ on more clothes, you would not have caught the bad cold.
Mr. Brown is an experienced doctor. He is always _______ in facing with emergency.
—How did you sleep last night? — Oh, I slept like a log last night. What does the underlined part mean?
It’s good manners _______ .
Thanksgiving is celebrated_______.