79. Before there goes the bell for class, our math teacher took out a piece of and wrote his problems on the blackboard.
--- Has your wife come back from Africa?---Yes, but she _____here for only one month before she went on another expedition to Cuba
The young writer said he should ________his success ________his teacher's encouragement.
—This is Steve speaking. Is that Mr. Smith?—________, please. He is coming.
Both sides are determined to get what they want,and there seems to be no possibility of________.
After he got in touch with the Red Cross, Mr. Green ______ helping homeless women and children to a safe place.