--- Thank you for inviting me to your new house.
--- ________. Just help yourself.
A. It doesn’t matter. B. All right..
C. Don’t mention it. D. The same to you
—-Steven, what do you think of Mark?
—Well, he is always trying to________his wisdom in front of others.
A. get off B. take off C. show off D. turn off
The environment of the city is very good, You can see many trees on________side of the street.
A.either B. Both C. all D. some
They welcomed the 50-year-old woman and told her that age didn’t________. She could study in the college.
A. work B. matter C. notice D. attend
My watch doesn’t work. I must have it________ tomorrow.
A. repaired B. to repair C. repairing D. repair
________silk feels soft and cool, it's difficult to be taken good care of.
A. Because B. Though C. Since D. As