—Do you think this book is ______difficult for children to read ?
—________ do you like koalas? —Because they are cute.
________ go to the cinema with you,Dad.
—________ is the street crowded with so many people? —Because they are waiting to watch the boat races.
—What fun The Croods is! —Yeah!I like the movie,too.It’s so ________.
You’re so tired;________ have a rest(休息)?