Upon arriving home from a business trip, dad asked mum about my academic performance at high school and then _____ of my little sister, who was in junior school.
Who is that young woman ______ is standing over there?
You should not go rafting ________ you know how to swim.
You can ______ this car with that one; then you will see which one is better.
—I heard that Tom stole all the money from the old man. —You’re joking! ________
—You must apologize________your sister________being so rude.—No way. It was her fault.