问题
选择题
When we are walking on the beach, the sand _____ our feet feels soft and comfortable. [ ]
A. at
B. behind
C. beneath
D. Beside
答案
答案：C
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When we are walking on the beach, the sand _____ our feet feels soft and comfortable. [ ]
A. at
B. behind
C. beneath
D. Beside
答案：C