摘要：We have finished the project finally . No one can imagine the difficulty we had the problem, A. to solve B. solved C. solving D. solve
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We have finished the project finally . No one can imagine the difficulty we had _____the problem,
A. to solve B. solved C. solving D. solve
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We have finished the project finally . No one can imagine the difficulty we had _____the problem,
- A.to solve
- B.solved
- C.solving
- D.solve
We have finished the project finally . No one can imagine the difficulty we had _____the problem,
A. to solve B. solved C. solving D. solve
查看习题详情和答案>>We have finished the project finally . No one can imagine the difficulty we had _____the problem,
| A．to solve | B．solved | C．solving | D．solve |