My parents (work) when I came home. A. My parents ...

★ Past Perfect and Past Perfect Continuous

My parents (work) when I came home.

A. My parents was work when I came home.

B. My parents were working when I came home.

C. My parents were work when I came home.

D. My parents was working when I came home.

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She was exhausted because she (work) since eight o’clock that morning.

A. had worked

B. had been working