—Is the modern racing car outside ______, Laura? —Of course not. Nobody but Jim can afford such an expensive car. It must belong to ______.

— Who will teach _______ oral English next term? Can it be a new teacher?— Perhaps. But our head teacher hasn't told us ________ .

 —Whose book is this ?   — It must belong         .

Susan thought ____not easy to answer all these questions.

Don’t worry about the kids. I think they can do it ________.