Choose the correct alternative. 1 There is/are two T-shirts in the washing machine. 2 I don't like a room where there isn't/aren't curtains. 3 Is/Are there a radiator in your hall? 4 There isn't/aren't two chairs in my bedroom. 5 Is/Are there big windows in your living room?

Here are the answers with explanations: 1. There are two T-shirts in the washing machine. (We use 'are' because 'two T-shirts' is plural.) 2. I don't like a room where there aren't curtains. (We use 'aren't' because 'curtains' is plural.) 3. Is there a radiator in your hall? (We use 'Is' because 'a radiator' is singular.) 4. There aren't two chairs in my bedroom. (We use 'aren't' because 'two chairs' is plural.) 5. Are there big windows in your living room? (We use 'Are' because 'big windows' is plural.)