-Oh, so many people in the park?-Nobody likes to stay at home ______ Sunday morning. A. in B. on C. at
—-Steven, what do you think of Mark?—Well, he is always trying to________his wisdom in front of others.
The environment of the city is very good, You can see many trees on________side of the street.
They welcomed the 50-year-old woman and told her that age didn’t________. She could study in the college.
My watch doesn’t work. I must have it________ tomorrow.
________silk feels soft and cool, it's difficult to be taken good care of.