问题
选择题
The knee is the joint ______ the thigh bone meets the large bone of the lower leg. [ ]
A. when
B. where
C. which
D. that
答案
答案:B
The knee is the joint ______ the thigh bone meets the large bone of the lower leg. [ ]
A. when
B. where
C. which
D. that
答案:B