【题目】The girl used to be shy, but is ____ getting active in group work and is more willing to express herself.
A. gradually B. usually
C. previously D. merely
在线课程【答案】A
【解析】
试题分析：句意：那个女孩过去很害羞，但现在团队合作越来越积极，（比以前）更愿意表达自己的想法。A项“逐渐地”；B项“通常，经常”；C项“以前”；D项“仅仅”。故选A项。