Задание
Match the words to their meanings
boost
brain
concentration
eyesight
complain
optimistic
soothe
something that makes you feel more confident and happy, or that helps something increase or improve
the organ inside your head that controls your thoughts, feelings, and movements
the ability to think carefully about something you are doing and nothing else
the ability to see
to say that something is wrong or that you are annoyed about something
always believing that good things will happen
to make someone feel calm or less worried