Could you ___ an eye on my bag while I buy a ticket?

Answer and explanation

Correct answer: B. keep

  1. Step 1: Read the sentence and decide what kind of word or phrase the gap needs. Step 2. 'Keep an eye on' is the fixed phrase meaning to watch carefully. Answer: keep. Why not the others: 'Watch an eye', 'have an eye' and 'hold an eye' do not form the phrase.

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