HOW MANY/ PEN/ THERE/A. HOW MANY PEN ARE THERE

6. - DE KIEM TRA TIENG ANH 6 6. - DE KIEM TRA TIENG ANH 6
DE KIEM TRA TIENG ANH 6
6. How many/ pen/ there/A. How many pen are there? C.. How many pen is there?B. How many pens are there? D. How pens are there?