She doesn’t know __________.
-- Is this a pen? -- Yes , ________ is.A. this B. that C. it
— What ______ is Nancy in? — She is in _______ Seven.A. grade;GradeB. Grade;gradeC. grade;grade
— Do Jane and Lily look the same?— Yes. Jane has long hair. Lily has long hair, _______.A. but B. too C. and
— What does Dingding look like?— _______A. He is 11.B. He is my friend.C. He is strong.
— _______ is that boy? — He is Tom.A. Who B. Where C. How