Although we intake diet food, **but proper sleep** is necessary to be healthy.

Choose the most appropriate replacement for the highlighted phrase to make the sentence grammatically and contextually correct. If the highlighted phrase is already correct, select "No replacement required."

Question

Although we intake diet food, **but proper sleep** is necessary to be healthy.

Choose the most appropriate replacement for the highlighted phrase to make the sentence grammatically and contextually correct. If the highlighted phrase is already correct, select "No replacement required."

Accepted Answer

**Solution:**

1. The original sentence uses "Although" and "but" together, which is redundant. The word "Although" already introduces a contrast, so "but" should be removed.

2. The phrase "proper sleep is" is grammatically correct because "sleep" is an uncountable noun and requires a singular verb "is."

3. The option "proper sleep is" removes the unnecessary "but" and keeps the sentence grammatically correct.

4. Other options either use incorrect verb forms or adverbs improperly.

**Answer:** Option (c) "proper sleep is"

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