See who’s there! ____ it be Mary?
Tom, you ________ leave all your clothes on the floor like this next time.
Although they are twin sisters, they have nothing__________.
He is wearing sunglasses to ____ his eyes from the strong sunlight .
I have bought two ball pens, _____ writes well.
I bought a dress for only 10 dollars in a sale; it was a real ______.A. exchange B. business C bargain D. reward