游客经常从山顶观看日落。

Tourists often ___view the sunset from the hilltop.

游客坐在优雅的咖啡馆里观看风景如画的河流。

Visitors sit in elegant cafes to ___view the scenic river.

科学家使用望远镜观看遥远的星系。

Scientists use telescopes to ___view distant galaxies.