where should the letter be sent?that is the place- it to.填sent 的什么形式?

Let's discuss where we should go.=Let's discuss ____ ____ ____. where should we put the chairs? where should you get off the bus Where should the milk be best stored let go of the way life should have gone! you should open the window to let in the clean air.let in where is the hope?and what should i do When taking a taxi,where should the passenger sit? Let's ask the foreigner__.A.where dose he live B.where he lives You should let everyone should have let go should have let go Do you think a girl should share the expense or let the boy pay the bill? Do you think a girl should share the expense or let the boy pay the bill? DO YOU THINK A GIRL SHOULD SHARE THE EXPENESES OR LET THE BOY PAY THE BILL? Let's dicuss where we should go for vacation?(该为简单句） Let's dicuss ___ ___ ___ for vacation? Let't play the game.________(one),we should sit round the table. We should keep the door___ in order to let the air in (opem)