Mr. Smith, _____ of the _____ speech, started to read a novel

A．tired; boring       B．tiring; bored       C．tired; bored       D．tiring; boring

Mr. Smith, _______ of the ______ speech, started to read a novel.

A．tired, boring       B．tiring, bored       C．tired, bored        D．tiring, boring

Mr Smith, _____ of the _____ speech, started to read a novel. 

Mr Smith, ________ of the ________ speech, started to read a novel.

[　　]

Mr Smith, ________ of the ________ speech, started to read a novel.

[　　]