---How many triangles_______there?---There are sixteen triangles.A. are B. is C. am
( )Beijing is big city. A. an B. the C. a
( ) My sister is very shy. A. cool B. a bit C. little
( ) My sister is cool. A. very B. a C. little
( )Miss White is teacher. A. a naughty B. a cute C. a clever
§xx§( )This is Tom. clever. A. I’m B. She’s C. He’s