妈妈向好友介绍说:“这是我儿子”,她可以说:________A.This is my daughter. B.This is my son.C.This is my brother.
( )My house is . A. big and small B. small and nice C. famous and small
( )It’s very old . A. too B. two C. to
( )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