题目内容
—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
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题目内容
—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