Many people agree that ______ knowledge of English is a must in _______ international trade today.
— Don’t be disappointed. Have another go, OK? — _______ .
— Why do you want the book so much? — ____, sir.
—_______ that he managed to get the information? — Oh, a friend of his helped him.
____ she couldn't understand was ____ fewer and fewer students showed interest in her lessons.
It was quite a serious accident, caused by careless driving.