题目内容
19．
not，throw
Don't throw litter around．．
分析 不要四处扔垃圾．
解答 答案：Don't throw litter around．
图片上是一个人在四处扔垃圾，not否定，throw扔，故造句不要四处扔垃圾．用否定祈使句don't+动词原形，四处乱扔throw around，litter垃圾，故答案是Don't throw litter around．
点评 throw about乱丢，乱花（钱） throw at 把…投向
throw away 抛弃，浪费，拒绝，错失（机会） throw back 扔回，拒绝，反驳，（光线）反射
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