小学阶段的一些常见的介词及其用法ofa. （属于）.的He is a friend of mine.他是我的一个朋友。b.由.组成（或构成）This is a cake of sugar.这是一块糖做的蛋糕。C.含有（或装有）. 的A packet of biscuits please.请给我一包饼干。d.表示数量或种类The tiger eats ten kilos of meat every day.老虎每天要吃十公斤肉。e.由于、因为She died of illness.她是病死的。of的一些重要词组* because ofHe left because of his fail.他因失败而离开。* be afraid ofI am afraid of spiders.我害怕蜘蛛。* a lot ofThere is a lot of sunshine.阳光很好。* all kinds ofThere are all kinds of fruits in t
