问题
选择题
The Slender West Lake ______ a long river named the Baozhang Lake.
A．is used to be
B．used to being
C．used to be
D．is used to being
答案
答案：C
题目分析：句意：瘦西湖曾经是条长河流，叫作保障河。Used to be 曾经是；注意区别be used to doing适应做某事；be used to do 被用作……；故选C。