Don't bother Tom, he is________with the experiment on water molecules in the lab. A. focused B. fixe...
2023-01-10 07:22:11 132次 山东省2009-2010学年高二下学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Don't
bother Tom, he is________with the experiment on water molecules in the lab.
A.
focused B.
fixed C.
occupied D. concentrated
本题链接：
