哈利波特与魔法石之初中语法one(3)

[他不禁注意到路边有一群穿着奇装异服的人]
[can't help to do意为不能帮助做某事 can't help doing 意为情不自禁做某事]
4.the nation's owls have been behaving very unusually today.
[今天全国猫头鹰表现反常 un是否定性前缀 如：unhappy unfriendly untidy unhealthy]