【正文】
e potatoes a box eight boxes a watch two watches 2. 以 s,o, x, ch, sh結(jié)尾的加 es。 . keys, boys, days, 1. 在一般情況下加 s。 . wives, leaves, slaves, knives Phrases: 十一個嬰兒 九個男孩 四個班級 我的五張相片 六頭大象 三個好朋友 十八只猴子 七把小刀 eleven babies nine boys four classes my five photos six elephants three good friends eighteen monkeys seven knives a cup of tea two cups of tea a basket of eggs two baskets of eggs three eggs a packet of salt two packets of salt three cartons of milk five bags of milk two pieces of bread two loave