问答题
Do you think about price when you buy perfume
Over the past fifty years there (be) many changes in co...
填空题Over the past fifty years there (be) many changes in commerce. The products (deal) in and methods of production (progress) with new developments. Packing and shipping (alter) to make the transport of goods safer and faster. (Keep) records of transactions also (change) although many of the terms are still used as they (be) when the Italians (develop) accounting systems.
