Помогите пожалуйста!!!#10,11
Regular verbs: to laugh, to study, to join, to count, to work
irregular: to meet, to leave , to sing, to get, to be
11) 1) On
2) by a
3) at
4) to... on
5) for
6) in
7) to
8) ничего не надо писать
9) at
10) on with.... with