1.背口诀记单词      曾经"上山下乡"的"知识青年"：他们他们they (他们)曾经丢失key (钥匙)如今头发grey (灰白的)见面说声hey (嗨)快乐如monkey (猴子)    2.识音标，记单词they pron.他们,它们。key n.钥匙,关键,解答,对译本,要害；vt.调节...的音调,锁上,插上栓,提供线索；vi.使用钥匙; n.键,调,基调；[习语]all in the same key(千篇一律地)。grey adj.灰色的,灰白的; n.灰色。hey int.嗨!monkey n.猴子，猿，顽皮的小孩；vi乱动，胡闹。3.邻里邻外key---在key后加board变为：keyboard n.[计]键盘grey---在grey后加ish变为：greyish adj.带灰的,略灰的4.佳句背诵Dog bark before they bite.恶行之前有恶声。Wife is the key of the house. 妻子是家的钥匙。The used key is always bright.常用的钥匙常光亮。All cats are grey in the dark.猫在暗中都是灰色;黑暗中难分丑妍。The fox may grow grey, but never good.狐狸活到老，永远难变好。What have you done, you young monkey!你干了什么啦,你这个小捣蛋!