Check the old lesson

Mary got good marks,...........made her parents pleased.
1. whom
2. who
3. which
4. that
I always remember the day................I first met him.
1. who
2. which
3. that
4. when
I missed the train..................I usually catch.
1. whom
2. who
3. whose
4. which
Mr. Pike, ….… son won the medal, is a famous doctor.
1. whom
2. whose
3. which
4. that