Invention can be ________ as it may suddenly begin just by noticing something usual.
A.accidental | B.careless |
C.necessary | D.imaginative |
相关知识点
推荐试卷
Invention can be ________ as it may suddenly begin just by noticing something usual.
A.accidental | B.careless |
C.necessary | D.imaginative |
试题篮
()