( )1、My sister skipping in the garden. A. is B. are C. am( )2、 the children playing a game. A. Is B. Are C. Do( )3、 the old persons often come here. AIs B. Are C. Do( )4、Listen!The girls an English song. A. sing B. is singing C. are singing( )5、Look at that child. He the white rabbit. A. feed B. is feeding C. feeding( )6、The athlete very tall.