补全对话,一空一词A：goo evening!what can I do( )you?B:I'm looking for

补全对话,一空一词
A：goo evening!what can I do( )you?
B:I'm looking for a pair of black shoes.
A:what size( )you want?
B:size 10.
A:sorry,I'm afraid we haven't9 )any black ones in that size( )the monment.we've got some brown one.
B:have you got any other kind?
A:( )about those shoes over there?
B:well,that pair looks nice.how( 0do they cost?
A:two hundred yuan.
B:hmm,that's a bit expensire.can I try them(
A:certainly.