--- Were you at school when he came to see you ?---- Yes, I __________ a math class .A. had B. was having C. am having
—Would you like something to eat? —Yes,some ________,please.
—Does your sister have a ________? —Yes,she does.She ________ at Zhiqing Clothes Store.
Sam ________ gets to school on time.The teacher is not happy.
Please ________.You should be friends.
I spent $5 ________ this book.