问题
单项选择题
（） 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
参考答案：D
解析：
本题考察there be结构，remain替代了be动词。
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
参考答案：D
解析：
本题考察there be结构，remain替代了be动词。