[ Grammar ]
use past perfect simple or past perfect continuous: I ____ (be) at home all day. I had to get out and go for a walk.
A. have been
B. has been
C. been
Select your answer:

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Which sentence is grammatically correct based on the time expression used?
A. I have finished my project yesterday.
B. I finished my project yesterday.
C. I have finished my project last week.
D. I finished my project so far.
