Question

Rearrange. 1) Create groups/ and extend/ this forum / they use/ classroom discussion/ to

Answer 1

to create groups and extend this forums they classroom discussion

Answer 2

The rearrangement of the above phrases to make it into a perfect and meaningful sentence will be "To create groups they use this forum and extend classroom discussion."

This is the right order of the phrases that symbolizes a perfect meaning and gives a logical structure to the given phrases after rearrangement.