In order to make up for the lost time, they are working _____.[ ]

The two brothers quarrelled with each other over bicycle last night but they soon _______.

Did Tony win the game — No. Staying up late made him at his worst _____ physical situation.

下列各句中，加线的成语使用不恰当的一句是( )

bargaining is so interesting—Sometimes it is a test to see who can stand their ground for the longest.