He ____ have finished his work; Otherwise, he would．not be enjoying himself by the seaside．

Was it on a lonely island _____he was saved one month after the boat went down?[ ]

There are 3 ________________ people over there.

We will see you again next Saturday. ______, you must rest as much as possible and take good care of yourself．

How is the cloth I chose—________ This color will look very pretty on you