问题
选择题
Can you make sure _____ the key of her flat? [ ]
A. whether Alice had put
B. where had Alice put
C. where Alice has put
D. where has Alice put
答案
答案：C
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Can you make sure _____ the key of her flat? [ ]
A. whether Alice had put
B. where had Alice put
C. where Alice has put
D. where has Alice put
答案：C