.—I'm so sorry about last night. I was so impolite.—______.A. Never mind B. Go ahead C. My pleasure
Helen ________watch TV at home _______ hang out with her friends.
---____ do you study for a math test? ---I study math ____ lots of exercises.
The little girl is ________ young ________ look after herself.
The two dresses are very nice. I can’t decide _________。
Sixteen-year-olds should _________their ears pierced.