Respuesta :

Answer:

Look out, there is a car coming!

Explanation:

i don't think this one needs explaining.

i knew grammarly would be useful one day

Answer:

Look out, there is a car coming!

Explanation:

If a car is coming you should be alarmed, so you add an explanation point. You add a comma because it represents a pause in speech. Which it's placed correctly in this sentence. :)