— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
_____ are necessary for everyone.A. Cloth B. Clothes C. Clothing
How about the _____’s quality?A. produce B. product C. production
They told ______ about their families.A. the other B. with C. each other
May I speak to Lynn?--- ______ Lynn.A. I am B. This is C. It was
Jenny keeps ______ my name?A. forgetting B. to forget C. forget