文语站

位置:首页 > 习题库 > 

 Thebookwaswritten    carefulobservationsanddetailedstu...

习题库1.8W

问题详情:

 Thebookwaswritten    carefulobservationsanddetailedstu...

 The book was written    careful observations and detailed studies.

A. on the ground of                 B. on behalf of

C. on average                           D. on the basis of

【回答】

D

知识点:介词

题型:选择题