问题
选择题
The seats ______ for children and seniors are right at the front of the buses. [ ]
A. reserved
B. reserving
C. to reserve
D. having reserved
答案
答案：A
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The seats ______ for children and seniors are right at the front of the buses. [ ]
A. reserved
B. reserving
C. to reserve
D. having reserved
答案：A