Choose the sentence where the conjunction in bold means "reason".

Tick the correct answer.

• It was late, so Anna went home.
• Tony and Chris weren't at school last week.
• My friends haven't watched this movie yet, nor did I.
• Kevin is hungry, but he forgot his lunch at home.
• We'd like to visit you, for we like you.
• I can buy this red T-shirt or those grey trousers.