根据短文内容,判断句子正误。① Mrs Li wanted to open her new shop but the signs were not ready.She asked Bob to help her.
Mrs Li:Please come to the shop early and put up the signs,Bob.Then open the shop at ten o'clock.
Bob:Yes,boss(老板).
②Bob went to the shop at six o'clock.He put the"Exit(出口)"sign on the outside (外面)of the door and put the"Entrance(入口)"sign on the inside(里面)of the door.Then he opened the shop.
③Leo:There's only one door and it says"Exit".Where's the entrance?
Ann:The shop isn't open.It says "Closed".
Tim:But there's a man inside.
④Nobody came to the shop all day.At six o'clock Bob went into the street.He asked a boy to come in."Oh,I think your shop is closed.Look at the sign.It says "Closed",said the boy.
⑤Joyful Toy Shop didn't have a good start(开始).It made no money all day.Bob knew why nobody came into the shop.The signs were in the wrong places.He changed the signs.