The man (who) answered the plane was a police.
The people Ann is visiting live on Elm street.（省略 that）
Do you like the boy (who) is talking to Jennifor?
The student (who) came to class late missed the quit.
另外：
I did not know any of the people Bill invited to his party.(省略 that）
The woman (whom) l saw in the park was feeling the pigeons.
l like the barber (who) usually cuts my hair.
The woman l met last night was interesting.（省略 that）
我觉得有些的地方可以省略 that ,帮你框出来.
另外有些地方词打错了,我帮你纠正过来了,如 part = park,pigeans = pigeons.
请及时采纳—— ♥ 多谢 ⌒_⌒