Thanks _____ our government, more and more poor students return to school. [ ]

What were you doing at this time yesterday? —I ______ on the grass and playing with Tony.

Every minute about ____ babies are born in the world, so the world’s population is increasing by _____million every year.

Daniel is a ___ student in his class. He always gets good marks in exams.

My father’s office is at the top. I can see the whole city ______ the office. [ ]