下列句子没有错别字的一项是（ ）

_ have finished his work; Otherwise,he would．not beenjoying himself by the seaside．

下列各句中，没有语病的一句是( )

Each of the students, working hard at his or her lessons, _____ to go to university— “So do I.”[ ]

Look, that’s Tom—the lost boy!— It’s really_______great comfort to seehim safe again. He is sure to bring_______comfort to his worried mother.