You’d better _______ because I’m busy writing a letter to my parents.
“Where is it?” “Where is _____? I don't know what do you mean?”
An awful accident, however, _____occur the other day.
Each of the students, working hard at his or her lessons,___to go to university.” “So do I.”
He told me the news_____, believe it or not, he had earned $1 000 in a single day.
In that month, he earned as much as, if ____ than, $40 000.