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---Have they finished the project? ---Yes. By the end of last month, they it. No

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---Have they finished the project? ---Yes. By the end of last month, they it. No

---Have they finished the project?

---Yes. By the end of last month, they ______ it. Now they ______ on a new one.

A. had finished; are working   B. had finished; work

C. have finished; are working    D. have finished; work

试题答案

A