Youscold such a pupil who always keeps silent so seriously that youhurt him.

The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.

When he heard a cry for help， he ran out as ____ as he could.

The manager has decided to put _______ he thinks isenergetic and clever in the position of the leadership of the company

下列各句中，加点的成语使用正确的一项是(　　)