1 去掉the 下棋play chess不加the
2 plays改为play 情态动词can后动词原形
3 want join改为 want to join want to do sth 想做某事,后跟带to不定式
4 and 改为but 前后句是转折,用bug
5 violin 改为 the violin 乐器要用the
1 去掉the 下棋play chess不加the
2 plays改为play 情态动词can后动词原形
3 want join改为 want to join want to do sth 想做某事,后跟带to不定式
4 and 改为but 前后句是转折,用bug
5 violin 改为 the violin 乐器要用the