Tom, John and Jack are good friends. They are in the same class. They have a PE class on Fridays. They like sports. They often play football together. Tom is hard-working. He often reads books in the morning. John is a helpful boy. He often washes clothes in the evening. Jack likes to watch TV. He often watches TV with his parents.

1.Tom, John and Jack have a (an) _______ class on Fridays.

A PE

B English

C maths

D Chinese

解析：选A。A细节理解题。根据“They have a PE class on Fridays.”可知，他们周五有体育课。故选A。

2.Tom, John and Jack often _______ together.

A watch TV

B play ping-pong

C play football

D sing

解析：选C。C细节理解题。根据“They often play football together.”可知，他们经常一起踢足球。故选C。

3.John is _______.

A helpful

B clever

C hard-working

D shy

解析：选A。A推理判断题。根据“John is a helpful boy.”可知，约翰是一个乐于助人的男孩。故选A。

4.Jack often watches TV with his _______.

A grandparents

B uncle

C parents

D friends

解析：选C。C细节理解题。根据“Jack likes to watch TV. He often watches TV with his parents.”可知，他喜欢看电视，经常和他的父母一起看电视。故选C。