Solution:
- 1. A: Where were you last night, Mark? (Plural subject 'you' requires 'were')
B: I was at the cinema with Peter. (Singular subject 'I' requires 'was') - 2. A: Annie was at school yesterday. (Singular subject 'Annie' requires 'was')
B: Yes, I know. She was sick. (Singular subject 'She' requires 'was') - 3. A: Were the children at home yesterday morning? (Plural subject 'the children' requires 'were')
B: No, they weren't. They were at the zoo. (Plural subject 'they' requires 'weren't' for negative and 'were' for affirmative) - 4. A: Were you and Sophie at the mall yesterday morning? (Plural subject 'you and Sophie' requires 'were')
B: Yes. We were in Jenny's clothes shop because there was a sale on. (Plural subject 'We' requires 'were'. Singular subject 'a sale' requires 'was')
Answer: were, was, was, was, Were, weren't, were, Were, were, was