Hi !!
1- There were dozens of birds in the pine tree.
2- One of the crows appears larger than the others.
3- Under the branches is a piece of stale bread.
4- Each of the birds makes ....CORRECT
5- On some of their legs is a tiny metal band.
6- What do the bands do... CORRECT
7- Both my friends are trying ....
8- There are many articles ....
9- Does anyone want ....
10- Here are two books....
Subjects are underlined ..
Hope this helps and is correct ☺☺☺