Who is the girl talking to the headmaster—Oh, _______ is Betty, the president of Student Council.

The man was just about to stand up ____ someone sat on the edge of his overcoat [ ]

In modern society people have to passvarious test for professional sothat they can be qualified for a good job.

Excuse me. Is the library open all day — . Only from 8 a.m. to 4 p.m.

Why don’t you like your job?— It’s always being ___by my director.