英语提问 请给出答案并给出理由!
1)__my husband and i__down the road yesterday evening,we heard a woman scream.
A)since;had walked B)while;have walked C)as;were walking D)when;are walking
2)pierre left without saying a word to the boss because he cannot stand__ to wait.
A)be made B)to be made C)being made D)be making
3)fiona said that she felt quite embrassed that day because she was not accustomed to__like that.
A)be treating B)have been treated C)being treated d)be treated