Li Lei found it difficult _____English well A.learning B.to learn C.learned D.learn
问题描述：
Li Lei found it difficult _____English well A.learning B.to learn C.learned D.learn
答
Li Lei主语 found谓语动词 it形式宾语 difficult宾语补足语
to learn English well真正的宾语
选B.
Li Lei found it difficult （to learn)English well.
翻译为：李磊发现学好英语有些难.