问题
选择题
Have you any idea _______?
A．that how we can improve the English level within 4 months
B．that how can we improve the English level within 4 months
C．how can we improve the English level within 4 months
D．how we can improve the English level within 4 months
答案
答案：D
考查同位语从句。A，B多了连词，所以排除；且从句要用陈述语气，所以选D。