In this kind of listenings  you don’t need to write  a full sentence to give the correct answer.
Normally there is a maximum of three  words to complete notes, statements or questions.
In these exercises it is very helpful to:

And don’t forget to read the completed sentences to make sure the words fit grammatically 🙂
PRACTICE 1
Source: Cambridge FC Practice Tests
PRACTICE 2
Source: Cambridge Complete First Certificate
