-Is your brother running in the park? -No, is swimming in the river.
— ____ your mom ____ Tom? — No, she ____.
— Hi, Maria. Your skirt is very nice. —____
— These clothes are very nice. Could I_____? — Sure.
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
— ____ skirt is this? — It's hers.