When the millionaire was young, he was very poor. Only by doing parttime jobs during the summer holiday ________ afford to pay his college fees.
—Do you have anything to say for yourselves?—Yes,there's one point ______ we must insist on.
Having been praised by the teacher,the little girl ran back home,______.
Despite their______ of interest,Fleming kept trying to develop the chemical ______ it would be safe and effective.
Helen always helps her mother even though going to school ______ most of her day.
We regret to inform you that there are no tickets ______ for Friday's performance.