Choose the correct modal verb: Visitors ____ feed the animals in the zoo.

Answer and explanation

Correct answer: D. must not

  1. Step 1: Choose the modal verb with the right meaning: obligation, permission, possibility or ability. Step 2. The correct word is must not. Answer: must not. Why not the others: need not: That modal verb has the wrong meaning here. might not: That modal verb has the wrong meaning here. can: That modal verb has the wrong meaning here.

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