说一下错误点

1my famliy spent the summer vaction wandering europe
spent+时间+doing

2living in a village alone doesn'make him feel lonely
DOES是动词的标志，一个句子只能有一个动词。

3he entered the classroom and seated himself in front of the audience
3he entered the classroom and sat in front of the audience
考察SET SEAT的用法。

4he remembered being knocked down by a car
remember Doing sth 是说记得怎么了， 而他是被撞所以用被动语态

1my famliy spent the summer vaction to wander europe
my famliy spent the summer vaction wandering europe.

2live in a village alone doesn'make him feel lonely
living in a village alone doesn'make him feel lonely

3he entered the classroom and seated in front of the audience
he entered the classroom and sat in front of the audience

4he remembered knocking down by a car
he remembered being knocked down by a car

spend XXX on something
花费XXX在某事上
spend XXX （in） doing somethi