This flashcard tests the correct preposition to use with 'economize' when indicating the resource being conserved.
This flashcard tests the correct preposition to use with 'economize' when indicating the resource being conserved.
| Question | They must economize … fuel. |
|---|---|
| Title | 117 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | on |
| Q_2 | in |
| Q_3 | with |
| Answers | 1 0 0 |
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