() 1. Wang Fei is twelve years old.
() 2. Wang Fei's English teacher is young and strict.
() 3. Wang Fei's favourite day is Friday.
() 4. Tomatoes are Wang Fei's favourite food.
() 5. Wang Fei is in Grade Six.

1. F
2. F
3. T
4. T
5. F

1. 根据短文中的“My name is Wang Fei. I'm eleven years old.”可知，王飞是11岁，不是12岁，所以此题错误。
2. 短文中提到“Mr Chen is our new English teacher. He's young and funny.”，说明王飞的英语老师年轻且有趣，而不是严格，所以此题错误。
3. 短文中明确提到“My favourite day is Friday.”，说明王飞最喜欢的一天是星期五，所以此题正确。
4. 短文中提到“Tomatoes are my favourite food.”，说明西红柿是王飞最喜欢的食物，所以此题正确。
5. 短文中提到“I'm in Grade Five.”，说明王飞在五年级，而不是六年级，所以此题错误。