30. —What should we do since we can’t make a compromise after lengthy talks.— ____ you apologize and take back what you’ve said _____ it is all over between us.
.—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
“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.