题目内容：

-- ________ (be) you at home last night?--- Yes,I was.
2 Let him ________ (have) a drink of orange,please.
3.When everybody _________ (seat),the meeting began.

优质解答

Are （you 要搭配are
have （let sb do
have been seated,可以理解为到座

追问：

谢谢，我都懂了