Відповідь:

Lesson 3:

Mike supposed that Jane had strong reasons for being late.

Lesson 4:

Mary didn't expect her friend to lie her

Lesson 6:

I think that everybody must use all the opportunities they have in their lives.

Lesson 7:

Every person has his (чи it's?) own opinion, and we should respect it.

Lessons 8-9:

I made lots of important conclusions after experiencing different situations.

Пояснення:

Склала речення вище.