他若有所思地凝视着远方。
He gazed ___thoughtfully into the distance.
有三明治,是他妻子体贴地提供的。
There were sandwiches, ___thoughtfully provided by his wife.
她把它放在丈夫的照片旁边,若有所思地看着它。
She set it beside her husband's picture and looked at it ___thoughtfully.