Let us review

1. compete (vi.)比赛；竞争 competition (n.)---competitor (n.)---competitive (adj.) He believed that nobody could ____________(与….竞争）him. I think you should ____________ (为…..而竞争）the monitor. I hope all of us can _____________(在….竞争中）running. 2.Admit(vi.&vt.)容许；承认；接纳 admit doing/having done sth. Admit that 从句 e.g.: She admitted_____________________(读了那封信）. _________________________. Admit +n/pron.+to be e.g.: You must admit the job__________________(很艰难）.

compete with

compete for

compete in

that she have read the letter.

having read the letter

to be difficult