发现自己的潜能，是取得成功的重要条件。发掘自己潜能的方法有

①经常给予自己积极的暗示    ②在心中想象出一个比自己更好的“自我形象”

③培养有利于激发潜能的习惯  ④多实践，从小事做起

A．①②③

B．①②④

C．②③④

D．①②③④

The command has just arrived that all employees ____________ in their proper uniforms before 7:00 pm.

A．will be dressed

B．must be dressed

C．were dressed

D．be dressed