| 1 | This decision involves many departments. | |
| 2 | More than two students have been concerned in this affair. | |
| 3 | This project involves a lot of complex technical problems. | |
| 4 | Since he has dragged me into his speech, I'd like to say a few words. | |
| 5 | This generation is involved more in the drug problems than past ones. |
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