1) efface
2) eyries
3) moors
4)palisades
5)reverberations
6)threadbare
He has mixed feelings as he is probably tired of getting work and is being given more and becoming lazy
He’s happy as if he does well it will benefit him
Explanation:
1. (We) are studying our lessons in the library
2. (He) is my brother
3. Mr. Johnson is (my) favourite teacher
4. It was (them) who saves the girl from drowning
5.( I) am playing with my friends
6. The robber was caught by (him) and brought to the police station.
7. We are ready for (our) group project.
8.(I )want to talk to your parents.
9.(They) are planning a birthday party for me.
10.(It) is wonderful night.
Hope this helps you
have a good day :)