Я не понял твоего задания, но вот решения полного 4.
1.  speaks
2.  is working
3.  is walking
4.  has
5.  am helping
6.  do ... like
7.  works
8.  go
9.  are taking
10.   doesn't want

1. My sister  speaks Germanand Spanish.
2. The group of young scientists is working on the project now.
3.  Where is Tom?  He is walking the dog in the park
4.  Paul has an unusual hobby for a boy. He likes cooking
5.  Are you busy ? -Yes, I am helping my mother in the kitchen. I'll phone you later.
6.  Do you like my new shoes? -Yes, they are nice
7. My  older bother works as a manager in a shop. He leaves home at 8 a.m.
8.  My grabdparents are interested in theatre. They go to a theatre every month.
9.  Hush! They are taking a test! Let them work
10.  He doesn't want to study Languages. Could you speak to him?