帮忙回答几个首字母填空

帮忙回答几个首字母填空
1.li min made up his m______to go to study abroadwhen he was 18 years old.
2.we should make a c______to improving our environment.
3.please don't e______without knocking the door.
4.there was all accident just now.a taxi c_____near the railway station.
5.the bus stop suddenly.i b _____my head ,but it is not too painful
6.the weather is bad now .all the city are hid in m_______
7.the high mountain is very _____.almost no one can each the top of it .
回答的多加分.
the high mountain is very s_____.almost no one can each the top of it .