Queen ElizabethⅡis often to be richest woman in the world.       , her personal wealth seems rather small.

The ________ of school leavers that go to university is about fifty percent.

(2014·沈阳模拟)—Any advice for me?—You’d better________the timetable to see when the train leaves.

(2013·四川高考)________ which university to attend, the girl asked her teacher for advice.

To our surprise, the missing suitcase ______, completely empty, near our office building the next morning.