用恰当的单词补全对话,每空一词.
A:What can Ido (1)______you?
B:I(2)_____a sweater for my son.Tomorrow is his (3)_______.
A:How old(4)______ he?
B:He's eleven years old.
A:(5)______ size do you want?
B:Size 5.
A:What's his favorite(6)______?
B:Bule.
A:What (7)_______ this one?
B:It's nice.H ow (8)______(9)_______it?
A:Fifty.yuan.
B:OK.I'll(10)______it.