人教版三年级英语下册Unit 6-5微课视频 -- How many +可数名词复数(birds, kites, apples…) + do you see? -- I/ We see +数字(eleven, thirteen, ten…). e.g.: -- How many birds do you see? 你看见多少只鸟? -- I see three. 我看见三只鸟。