The new product is on ____ before it is put on the market.A) testB) trialC) experiment

Purchasing the new production line will be a ___？

Your new product ______ so well but for a lot of advertisements we put on the television.A

Purchasing采购 the new production line will be a ________ deal for the company. A：forcef

The technicians and workers have come______new methods to increase production.A．on withB．o

The production of our new model is to go up _____

The production of our new model is to go up _____