---Wherehaveyou
- 习题库
- 关注:3.13W次
问题详情:
---Where have you _______ all day?
--- I came back at noon and I _______ in this office since then.
A. been in; had been B. been in; was
C. been; have been D. been; am
【回答】
C
知识点:动词时态
题型:选择题
标签:
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