【根据句意和首字母或汉语提示完成单词1.theriveristhreemetersd____.it'sdangeroustoswiminit2.thelandisc_____withsnownow3.ifsomeoneo______mecigarettes,i'dtellhimthatsmokingisbadforourhealth4.hewastoopoorto】

　　根据句意和首字母或汉语提示完成单词

　　1.theriveristhreemetersd____.it'sdangeroustoswiminit

　　2.thelandisc_____withsnownow

　　3.ifsomeoneo______mecigarettes,i'dtellhimthatsmokingisbadforourhealth

　　4.hewastoopoortoaffordhiseducation.iwantedtogivehimsome,buther_____.