问题详情:
This Russian program is difficult ______ for Chinese students.
A. understanding it B. understanding C. to be understood D. to understand
【回答】
D
知识点:非谓语动词
题型:选择题
问题详情:
This Russian program is difficult ______ for Chinese students.
A. understanding it B. understanding C. to be understood D. to understand
【回答】
D
知识点:非谓语动词
题型:选择题