This flashcard teaches that "combined" is the correct verb form to complete the sentence "Nitrogen must be … with another element to be useful in agriculture."
Este flashcard enseña que "combined" es la forma verbal correcta para completar la frase "Nitrogen must be … with another element to be useful in agriculture."
| Question | Nitrogen must be … with another element to be useful in agriculture. |
|---|---|
| Title | 858 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | combine |
| Q_2 | combining |
| Q_3 | combined |
| Answers | 0 0 1 |
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