Correct answer:❓ Sentence: The room was too dark to read. Explanation: Too is used when something is more than needed and causes a problem. So needs a result clause, not an infinitive. Very only adds emphasis, it does not show a problem. Enough is placed differently and does not fit this structure. Examples: It’s too cold to swim. The bag is too heavy to carry. Description: This structure is very common in spoken and written English. Too adjective to verb clearly shows a negative result. Many le