补全对话a:hi,jim.i'm going to be the ____ office to send a lette

补全对话
a:hi,jim.i'm going to be the ____ office to send a letter to my sister
b:____,too.and i also want to buy some stamps ____ my sister.let's go together
a:jim,what are you going to do tomorrow?
b:nothing much,why?
a:my friends and i are going to monkey lsiand to ____ a picnic.would you like to join us?
b:to monkey lsiand?that's great!i've never been there ____.i think it will be very interesting.when shall we start and ____ shall we meet?
a:let's start ____ eight o'clock in the morning outside the school gate.
b:i'm ____ it's too late.shall we make it a little ____?
a:well,what about a ____ to eight?
b:all right,see you tomorrow
a:see you