They seem _____ what they are doing.A. knew B. to know C. knowing_刷题宝

题干

They seem _____ what they are doing.
A. knew B. to know C. knowing

上一题下一题 0.65难度单选题更新时间:2018-09-17 08:17:19

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库