Who 's the man waiting at the _______ (enter) to the meeting hall?Have you ever heard the ______ (record) of Mr.White 's speech?

Who 's the man waiting at the _______ (enter) to the meeting hall?Have you ever heard the ______ (record) of Mr.White 's speech?
Who 's the man waiting at the _______ (enter) to the meeting hall?
Have you ever heard the ______ (record) of Mr.White 's speech?

Who 's the man waiting at the _______ (enter) to the meeting hall?Have you ever heard the ______ (record) of Mr.White 's speech?
entrance：入口
recording 录音.都应该填写名词形式.

1.entrance
2.recording

entrance
record

entrance
recording