他对这个提议发表了一些建设性的意见。

He made some constructive ___remarks about the proposal.

她在会议上随意发表的评论引起了大家的注意。

Her casual ___remarks at the meeting caught everyone's attention.

校长在毕业典礼上的开场白赢得了热烈的掌声。

The principal's opening ___remarks at the graduation ceremony received warm applause.