Junior high school days will be over _______ a week．How are you feeling—I’m trying to keep my cool because we’ve been together ________ three years．

She spent all her spare time learning thecourses, or she________ the first place in her school in the 2010 CollegeEntrance Examination.

It’s ____ knowledge that the Nile is thelongest river in the world.

How can they expect to learn anything ________they never listen?

He ______ to us that he ______ the watch on the table.[ ]