23. Environmental experts are those who devote ______to______ nature and environment.
A.them…protecting | B.their…protect |
C.themselves…to protect | D.themselves…protecting |
相关知识点
推荐试卷
23. Environmental experts are those who devote ______to______ nature and environment.
A.them…protecting | B.their…protect |
C.themselves…to protect | D.themselves…protecting |
试题篮
()