.A smile costs _________, but gives so much. So we should learn to smile.A. something B. anything. nothing D. Everything
Look atthe map. It’s a map ________ China.
Jim often has lunch at school. he eats at home today.
— ________ our school ID cards? —They’re on the teacher’s desk.
Thanks _____ your help.
You can see books. books are my father’s.