My cousin knows a lot about geography, __ he is only four years old. A. because B. so C. although
Look ____ Ann and Julia. They are sisters. They look ____, and they look ____ their mom.
Susan can speak Chinese, ____ she doesn’t like it at all.
His parents ____ high school teachers.
-- ____ is the letter from? --From my aunt in London.
—Does Liu Li have a pen? -- ____ . But he has a pencil.