You’d better give the task to _____ you think can finish it ahead of time.

A. whomever     B. whoever      C. anyone        D. no matter who

Regulations require__________needs special diets         the cooking manager in advance.

A. who; informs B. whom; informed   C. whomever; inform D. whoever; inform

A reward of $1,000 will be given to      can provide any clues to the case which has been investigated by the police for nearly half a year．

_____ comes first will get the prize.

    A. Who              B. Whoever          C. Whom             D. Whomever

Contrary to the opinion of the public, the chairman decided to appoint _______ he thought was equal to the job.