阅读对话，判断下列句子正误。正确的在括号里打“√”，错误的打“×”。
Chen Jie: What do you do on the weekend?
Mike: I usually climb mountains. Sometimes I go shopping. What about you?
Chen Jie: Usually I go shopping. Sometimes I visit my grandparents.
John: I often play football. But not this weekend.
Chen Jie: Why?
John: The weather report says It's going to rain this Sunday.
Wu Yifan: I usually play the violin on the weekend. But my violin teacher is ill.
Chen Jie: Why don't we watch TV together?
Children: Good idea !
( ) 1. Mike usually goes hiking on the weekend.
( ) 2. John often plays football on the weekend.
( ) 3. Wu Yifan is going to play the violin this weekend.
( ) 4. Chen Jie usually climbs mountains on the weekend.
( ) 5. They are going to watch TV this weekend.