题目内容
21、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
试题答案
21、C
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
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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
B. to working out
C. to worked out
D. has worked out
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
查看习题详情和答案>>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 |