---Peter, where did you guys go for the summer vacation?
---We _______ busy with our work for months, so we went to the beach.
A.were | B.had been | C.have been | D.will be |
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---Peter, where did you guys go for the summer vacation?
---We _______ busy with our work for months, so we went to the beach.
A.were | B.had been | C.have been | D.will be |