The noodles who I cooked were delicious.和The professor whom

1.who应该改成which/that,要么不要who.
我做的面条很可口/味美/好吃.
2.The professor whom you just talked (to/with) is Mr.Li.
或：The professor to/with whom you just talked is Mr.Li.
刚才你与之谈话的教授是李先生.