She devoted herself _______ to her research and it earned her a good reputation in her field

下列各组词语中，没有错别字的一组是(　　)

Excuse me, may I take themagazine away? —No, you ______. You______ only read it here.

Many environmentalists think that carbon dioxide is _______ for the global warming, which affects billions and billions of species across the globe.[ ]

What will you do on the _____that you can’t beat him in the first round of the match