问题
选择题
_____ a certain doubt among the people as to the practical value of the project. [ ]
A. It has
B. They have
C. It remains
D. There remains
答案
答案：D
搜题请搜索小程序“爱下问搜题”
_____ a certain doubt among the people as to the practical value of the project. [ ]
A. It has
B. They have
C. It remains
D. There remains
答案：D