1. Primary
2. Secondary
3.Nervous
4. Lonely
5. Make
6. Touch
7. Group
8. Interests - тут не уверена немного
Bob- His name is Bob
Their names are Tom and Jerry
Fluffy- His name is Fluffy
Lena- Her name is Lena
Blackie- Her name is Blackie
По логике, вроде как получается, что 1.b), а 2.c)
He made us laugh. "To" is not necessary.
2 develop
3 learning
4 to wear
5 to travel
6 to know
7 taking part
8 giving
9 going
10 learn
11 living
12 to learn (в предложении ошибка. Должно быть It is late but...)
13 see
14 cross