Ответ:

а)

ГлаголСочетание
to taketo take care of
to spendto spend summer holidays
to inviteto invite guests
to goto go sightseeing
to improveto improve English
to borrowto borrow a dictionary

б)

  1. What did you do to improve your English? — I watched films in English.
  2. Where did you spend your summer holidays? — At the seaside.
  3. Sveta, can I borrow your dictionary, please? — I really need it to finish my project.
  4. Chris, can I borrow your camera? — I usually take a lot of photos.
  5. Will we invite guests to our school party? — Of course.

Перевод: улучшать английский; проводить летние каникулы; приглашать гостей; ходить на экскурсии; заботиться о; брать словарь.