问题
选择题
Can you make sure_______ the gold ring?
A．where Alice had put
B．where had Alice put
C．where Alice has put
D．where has Alice put
答案
答案：C
本题考查时态和宾语从句语序。由句子结构可知空白处应为make sure的宾语从句，语序应用陈述语序，排除B、D两项；由句意可知时态应为现在完成时。