--Whose book is this?--It _____ Amy's. Well, her name is on the cover of the book.A. must be B. can't be C. mustn't be
— I’m afraid I can’t you, sir. Can you speak more slowly? — Of course.
—How are you going to spend this weekend? —the weather is fine, we’ll climb Mount Tai.
of the students in my school are girls.
— The dictionary is a useful for understanding new words. — I think so.
The man over there teaches geography.