Whentheteachercamein,hecoveredhismobilephonewithatextb... 国语站 题库 2.32W 大中小设置文字大小 问题详情: When the teacher came in, he covered his mobile phone with a textbook and pretended _______his homework. A. to do B. doing C. to be doing D. to have done【回答】C知识点:非谓语动词题型:选择题 TAG标签:#