问题详情:
He looks upset. He doesn’t know ________.
A. what to do it B. how to do it C. how to do D. do what
【回答】
B
知识点:非谓语动词
题型:选择题
问题详情:
He looks upset. He doesn’t know ________.
A. what to do it B. how to do it C. how to do D. do what
【回答】
B
知识点:非谓语动词
题型:选择题