LiRongtoldmewhatdifficultyshehadhave

问题详情：

Li Rong told me what difficulty she had have_____ English before she came to <?xml:namespace prefix = st1 />Canada.

A. learning      B. learn         C. learnt           D. to learn

【回答】

知识点：现在完成进行时及其被动式

题型：选择题