He handed in the essay two days later than his classmates,but it was still _____the time limit set by the teacher.
You must have waited here for a long time ,___________you?
Nearly________ of the surface of our planet is covered by water.
It's said that __________ is going to give us a lecture.
----Would you please lend me the dictionary?---- ____.
Who is it up ____ decide whether to go or not?