go to school 去上学
go to the school 到学校去，不一定是去上学
go to church 去教堂， 做礼拜
go to the church 去教堂，不一定做礼拜
go to bed上床睡觉
go to the bed 走向床边，不一定睡觉
go to sea出海，是海员
go to the sea去海边，不一定是海员
be in hospital住院，是病人
be in the hospital在医院里，不一定是病人
by sea 乘船
by the sea在海边
in case of以防万一
in the case of就某人或某事而言
be in prison在坐牢
be in the prison在监狱，不一定是犯人
in front of在物体外部的前面
in the front of在物体内部的前面
sit at table坐在桌边吃饭
sit at the table坐在桌边，不一定吃饭
by day在白天
by the day按天计算
take place发生
take the place代替
in bed卧病在床
in the bed在床上
in charge of负责某物
in the charge of由某人负责
in possession of拥有某物
in the possession of由某人拥有
in sight of能看见
in the sight of据……的见解
in place of 代替
in the place of在……地方
in class在上课
in the class在班里
next day / year 明天 / 明年
the next day / year第二天 / 第二年
out of question毫无疑问，没问题
out of the question不可能
on earth 究竟
on the earth在地球上