根据下列句子的结构和所给汉语的意思，写出这一单词的正确形式
小题1: （判断）from his accent, we know he comes from the west.
小题2:I’m glad to know that he has been finally （说服）to give up smoking.
小题3:Tom is a ____ _(可靠的) person. He is sure to help you.
小题4:John and Mary made a (航海)at the sea.
小题5:The dead and （受伤的）people lay everywhere after the terrible accident.