Complete each of the following sentences using the correct form of a verb from the box.
Giải thích
1. had already graduated 2. had 3. were singing
4. had seen 5. had forgotten 6. wasplaying
7. lived 8. wanted 9. were studying 10. was working
1. had already graduated 2. had 3. were singing
4. had seen 5. had forgotten 6. wasplaying
7. lived 8. wanted 9. were studying 10. was working