Her attitude to the party is __________ She said she liked it but she refused to attend it. [ ]

The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.

对下列各句特别是加横线词语的表达作用分析不恰当的一项是（ ）

Mum, why don’t you have the robot ________ housework for you— Oh, it caught a virus, I should have it _________ at once.

Laying eggs the ant queen’s full-time job.