题文
The project alongside with the experiment we had once devoted so much time __________ perfectly.
| A.to work out | B.to working out |
| C.to worked out | D.has worked out |
推荐试卷
The project alongside with the experiment we had once devoted so much time __________ perfectly.
| A.to work out | B.to working out |
| C.to worked out | D.has worked out |
试题篮
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