His proposal that they (should) challenge the other groups to a friendly competition is praised by the teacher.

他提议他们和别的组挑战，来一场友谊竞赛。这个提议受到了老师的表扬。

youdao

His proposal that they (should) challenge the other groups to a friendly competition is praised by the teacher.

他提议他们和别的组挑战，来一场友谊竞赛。这个提议受到了老师的表扬。

youdao