—Where is Tom ?—Well , he you here . Otherwise he would come down right now .
He wouldn’t leave the TV set, ______ he was going to have an important exam the next day.
As soon as she saw her boyfriend, she ________ crying.
—May I ask a question after class,Sir?— , but not during my lunch break.
The scientists have made _______ possible for us to communicate with each other more easily.
You’d better your score and see if you have passed the exam.