Choose the best words to complete the sentences.

Choose the correct option.

Be careful when getting [at|in|on] a diet; it can be harmful!

Tim dreams about [doing|making|growing] taller; he's the shortest guy in our class!

You can [jog|join|get] a gym to become more muscular.

Please, [fall|feel|fly] at home and make yourself comfy.

Helen has recently [put|given|taken] on some weight, but it's not important; she looks stunning!