Answer:
The answer is D
Explanation:
Imperative form of verb suggests some kind of order.
In the sentence A we see a modal construction ( must walk down).
In the sentence B we have passive voice from present simple tense (is erased).
In the sentence C we see a modal construction (could not stop) and past tense (stopped).
In the sentence D we have imperative form let the fish marinate
If this was a question than this would be true apart from its more likely for children around 5-8 to make friends
