Rewrite the following sentences based on the given words. The sofa in the living room is big. (There) ___________________________________________________________________________ My sister is always busy from morning till night. (never) ___________________________________________________________________________ Daisy sits in front of Peter. (behind) ___________________________________________________________________________ Whose luggage is this? (belong) ___________________________________________________________________________ How much is the entry fee? (price) ___________________________________________________________________________ It's good if you say “Thank you” to a person who has helped you. (should) ___________________________________________________________________________ No mountain in Viet Nam is as high as Fansipan. (highest) ___________________________________________________________________________ Volunteer work is very hard for teenagers in the city. They enjoy doing it. (but) ___________________________________________________________________________ She is a girl with long black hair. (has) ___________________________________________________________________________ It is wrong of us to throw rubbish. (mustn’t) ___________________________________________________________________________