根据句意和首字母或汉语提示完成单词1.the river is three meters d____ .it's dangerous to swim in it2.the land is c_____ with snow now3.if someone o______ me cigarettes,i'd tell him that smoking is bad for our health4.he was too poor to afford his education.i wanted to give him some,but he r_____.

根据句意和首字母或汉语提示完成单词
1.the river is three meters d____ .it's dangerous to swim in it
2.the land is c_____ with snow now
3.if someone o______ me cigarettes,i'd tell him that smoking is bad for our health
4.he was too poor to afford his education.i wanted to give him some,but he r_____.