单项选择题
Retailers will need to rethink their strategies as（）shoppers demand price-competitive goods.
A.thriftyB.moistC.barrenD.digestive
单项选择题 The National Institute of Health is discussing ways of tackling the problem of childhood（）.
单项选择题 To （）how the system works，Bruce shows off the prototype of a 3D analysis tool.
单项选择题 We’re firmly（）to the manager’s latest decision to expand overseas market.
