Multiple choice

Directions: Look at the underlined part of the given sentence. Below the sentence, three possible substitutions are given for the underlined part. Choose the one that is better than the underlined part. If none of the substitutions improves the sentence, then choose the last option. Unless oxygen is decreasing, temperature is gradually rising.

  1. since

  2. Although

  3. Until

  4. No improvement

  5. .
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The conjunction 'since' is the correct answer in this context as it indicates the reason for something. Here, since refers to the reason why temperature is gradually rising.

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