e aware that, _____, the situation will getworse.

Under the environment of fierce competition, the only way John could imagine _______ stress was to get tougher by making greater efforts.

_ his grades with Arnold’s, Georgewas quite satisfied

Everyone had an application form in his hand, but no one knew which office room _______.

下列各句中，加横线的成语使用不恰当的一项是（ ）