问题
选择题
The task was difficult, but their _____ expression let us know that they would not give up easily. [ ]
A. reliable
B. determined
C. concerned
D. grateful
答案
答案：B
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The task was difficult, but their _____ expression let us know that they would not give up easily. [ ]
A. reliable
B. determined
C. concerned
D. grateful
答案：B