YOU SAID:

I was done with the exam; I put my pen and paper down and was waiting for the teacher to start collecting papers.

INTO JAPANESE

私は試験を終えました。私はペンと紙を置いて、先生が紙を集め始めるのを待っていました。

BACK INTO ENGLISH

I finished my exam. I put down my pen and paper and waited for the teacher to start collecting the papers.

INTO JAPANESE

私は試験を終えました。私はペンと紙を置いて、先生が紙を集め始めるのを待ちました。

BACK INTO ENGLISH

I finished my exam. I put down my pen and paper and waited for the teacher to start collecting the papers.