He suggested _______ by plane, but I thought it would cost too much.
Mrs. King put a coat ________ the sleeping girl to keep her warm.
-- I can't find David. Where is he? -- He ________ for tomorrow's competition at home.
Smile to the world, ________ the world will smile back to you.
-- ________ can you finish this English examination? -- In about one and a half hours.
-- Would you like some milk? --________.