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-We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. -I r

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-We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. -I r

—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.

 —I really should have gone with you but I _____ on some remaining problems.

A. worked         B. was working       C. would work       D. would have worked

试题答案

B