The folloeing gramatical points are in cluded in the three lessons except[_]

A.Non-finite verbs
B.Sequence of tenses
C.Unusual prepositions
D.Subjunctive mood
出自:河南理工大学-专升本英语2

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块