a an 名词单复数变化 ,出十小题,就是关于a an 的用法,不可数名词和可数名词,例:this is an arm.急用 急用 .
人气:228 ℃ 时间:2020-04-19 21:07:32
解答
this is a book. this is an apple. that is a desk. that is an earth. this is a peach. this is a board she took half an hour for jogging. this is an egg. this is an orange. this is a cat.