The children helped to carry their mother’s from the shops.
A. purchases
B. matters
C. modity
D. goods
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(答案→)A. purchases
B. matters
C. modity
D. goods
解析：考查名词;A. purchases购买的东西B. matters物质，事情C. modity商品；日用品；有价值的物品D. goods商品，货物，句意是：孩子们帮妈妈拿从商店购买的东西。选A。