The boy sometimes found ( )difficult to communicate with his frie_英语解答

The boy sometimes found ( )difficult to communicate with his friends 英语选择题
A.thatB.it C.this D.which

人气：394 ℃　时间：2019-08-19 18:26:10

解答

答案：B
it 作形式宾语,动词不定式结构作真正的宾语.