相关Whentheteachercamein的文学知识

问题详情： Whentheteachercamein,thestudentspretended_____thetext.A.toread                                      B.readingC.tohaveread               ...

问题详情： Whentheteachercamein,hecoveredhismobilephonewithatextbookandpretended_______hishomework.  A.todo               B.doing              C.tobedoing        ...