Ken the room yesterday.He was sick.A.wasn't clean B.didn't clean C.didn't cleaned
( )—__________ you at home yesterday? —No, I ___________.
( ) 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.