问题
选择题
Human facial expressions differ from those of animals in the degree ____ they can be controlled on purpose. |
A. with which B. to which C. of which D. for which |
答案
答案:B
Human facial expressions differ from those of animals in the degree ____ they can be controlled on purpose. |
A. with which B. to which C. of which D. for which |
答案:B