Mary:What were you doing last night,Linda?I called at seven and you didn't pick up.

Mary:What were you doing last night,Linda?I called at seven and you didn't pick up.
Linda：Oh,I was in the kitchen helping my mom.
Mary：I see ,I called again at eight and you didn't answer then either.
Linda：What was I doing at eight?Oh,I know When you called,I was taking a shower.
Mary；But then I called at nine.
Linda：Oh,I was sleeping at that time.
Mary;So early That's strange.
Linda：Yeah,I was tired.Why did you call so many times?
Mary;I needed help with my homework.So,while you were sleeping ,I called Jenny and she helped me.
各位老师看到上面这篇文章了吗?它是我们的一篇小课文.我恳求各位老师给我讲解一下所有课堂上,考试会讲的知识,恳求讲解全面一些,包括什么语态,时态,词汇,及各种知识点,重点,难点,将来会以什么形式出题等.我们学校的老师虽说很好,但每次却把握不住考点,讲的过于粗略.单说考试中单选题15道,就只有5道学过的知识点.长久以来,我们都有一种苦学无果的感觉,学校成绩从原来95分以上滑落到70左右,对待考试都有一种力不从心的感觉.我恳请各位老师,我不想再做困兽之斗了.没条件补习,就求各位高人大发慈悲,