I. Find a mistake in 1. How many tables is there in the classroom? A B C D 2. What does your sisters do and how old are they? A B C D 3. This is my chair and that are your chairs. A B C D 4. There are five benchs and two tables in the house. A B C D 5. This is my brother and he's name is Minh. A B C D 6. The cat is among the lamp and the bed. A B C D 7. There are a cupboard, a dishwasher and a table in the kitchen. C D