Сделать по заданию
(Всё на картинке)

15 has to leave

16 may

17 should have

18 mustnt

19 must

20 on

21 from

22 for

23 about

нужно давать в контексте, а так без контекста любое окончание, например:

mr adams doesn'n work on monday cous he spends this time for rest.

или

mr adams doesn'n work on monday cous he is ill.

или

mr adams doesn'n work on monday he is in the buisness trip.

или

mr adams doesn'n work on monday inthis year.

two bears, two elephants, five parrots, three tigers, four foxes