Question

4. You … eat a lot of food before you go to bed.It’s bad for you.
a) should
b) shouldn’t
c) must
d) mustn’t
e) may ​

Answer 1

You shouldn't eat a lot of food before you go to bed. It’s bad for you.  

Это совет, это не запрещено, поэтому испольщуем shouldn't = тебе не следует.

The right answer is b).