We know that 'migrate' means to move. So since that, we need to add the -ing, and we know that we end up with the meaning "moving".
So migrating means moving from one place to another.
Answer:
C. It is a bad storm outside.
E. They are safe from the storm inside.
Explanation:
Outside there isn't actually a roaring lion, this is a metaphor. The wind is <em>like a </em>roaring lion, meaning the wind is very strong. But inside is <em>like</em> a purring kitten. It's not actually a kitten, but it means that the inside is safe and calm.
Ripple, flow, roll, oscillate, wobble.
