Question

6. Kate went out with her friends after she ( finish) her homework. 7. Dr S___ (perform) a lot of experiments before he made a discovery.

Answer 1

Ответ:

6. had finished

7. had performed

Answer 2

6. Kate went out with her friends after she finished her homework.
7. Dr. S___ performed a lot of experiments before he made a discovery.

(Note: In sentence 7, you left a blank space after "Dr S___." If you provide the missing information, I can help you complete the sentence.)