( ) There _________a football and two basketballs in the sports hall. A. is B. are C. aren’t
( ) The doctor often tells him __________ more exercise.
( ) You should ___________ your little brother when your mother is out.
( ) Sometimes walking is __________ than driving during the busy traffic time.
( ) My sister was born _____________ a Friday morning.
( ) Mary is a student of___________.