未知题型
未知题型 Anna was reading a piece of science fiction, 怎么选择
未知题型 The price of beer _______ from 50 cents to $4 per liter during the summer season. A) altered B) ranged C) separated D) differed
未知题型 This crop has similar qualities to the previous one, _______ both windresistant and adapted to the same type of soil. A) being B) been C) to be D) having been