Group Agreement and Verb Usage

Hard Usage And Mechanics Grammar And Usage

Select the option that best corrects the sentence below:

The group of researchers were conducting their study on the effects of climate change in various regions, which has often been debated among scientists.

The group of researchers was conducting their study on the effects of climate change in various regions, which have often been debated among scientists.

The groups of researchers were conducting their study on the effects of climate change in various regions, which has often been debated among scientists.

The group of researchers was conducting their studies on the effects of climate change in various regions, which has often been debated among scientists.

The group of researchers was conducting their study on the effects of climate change in various regions, which have often been debated among scientist.

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