假定某国去年生产1件甲商品=12单位货币，今年该国货币贬值20%。在这期间该国生产1件甲商品的社会必要劳动时间为4小时。如果生产者A生产该商品的个别劳动时间为

2小时，那么A今年在8小时内生产的商品价值总量为

A．57．6单位货币

B．40单位货币

C．38．4单位货币

D．60单位货币

在下列空白处填入适当的单词完成对话。

A: Can I help you?

B: Yes, please. Do you have any skirts on __1__.

A: Sure (当然), we have many. What about this white one?

B: Oh, I don't like the__2__. Are there any red ones?

A: Yes. Here you are.__3__it is long for you.

B: Yes, it is.

A: Have a look__4__. this blue one. It looks very nice.

B: OK. How much  is it?

A: It is fourteen dollars.

B: I'll __5__ it. Thanks.

A: You're welcome.