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
D
本题考察there be结构. remain替代了be动词.
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______ 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
D
本题考察there be结构. remain替代了be动词.