填入合适的词完成对话

A:Can I help you? B:Yes.I want to ( ) a TV set. A:What about this one? B:This looks nice.It's too small. A:Look at this one.It's ( ) than that one.B: ( ) ( ) is it?A:It's eight thousand dollars.B:Oh,that's very expensive.A:Yes.It's the ( ) ( ) TV set in our shop. And it's the ( ) one.

buy

bigger

What about

most Expensive

best

A:Can I help you? B:Yes.I want to buy a TV set. A:What about this one? B:This looks nice.It's too small. A:Look at this one.It's bigger than that one.B: How much is it?A:It's eight thousand dollars.B:Oh,that's very expensive.A:Yes.It's the most expensive TV set in our shop. And it's the best one.

BUY

LARGER

HOW MUCH

MOSE EXPENSIVE

LAST