HOW MANY WINDOWS __________ IN YOUR CLASS

6. - 500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH
500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH

6. How many windows __________ in your class?

A. are there B. there are C. there isn’t D. there aren’t