| Idx | 2796 |
|---|---|
| Keyword | useless |
| Sub Entry Number | 3 |
| Type of Sentence | ✗ |
| Error Sentence | Staying in a big hotel would involve useless expense. |
| Correct Sentence | Staying in a big hotel would involve unnecessary expense. |
| Cloze Error Sentence | Staying in a big hotel would involve [[useless]] expense. |
| Cloze Sentence | Staying in a big hotel would involve [[unnecessary]] expense. |
| Cloze Answer | unnecessary |
| Choices | unnecessary | useless |
| Explanation | If something is not necessary, it is unnecessary (NOT useless ): 'People who refuse to stop smoking are taking an unnecessary risk.' 'Sports that cause animals unnecessary suffering should be banned.' |
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