GRE Text Completion: ETS Fundamental-GRE填空ETS基础 - 5C7108GZ0A7I5XP3X

Today water is more (i)____________ in landscape architecture than ever before, because technological advances have made it easy, in some instances even (ii)____________ to install water features in public places. A. conspicuous B. prohibitive C. eccentric D. obligatory E. ubiquitous F. intricate