--What a clean kitchen!--Yes, and it _____ by my mother every Saturday.A. cleans B. is cleaned C. has cleaned
Jackie is only three years old __________ he can draw very well.
Gao Yan is__________ Zhao Fen and Li Min.
__________ chocolate isn’t good for you.
—How many __________ are there in your class? —Twenty-two.
My mother is __________ English teacher in a middle school.