相關AHiJ的文學知識

問題詳情：根據對話內容,從方框內選擇恰當的句子填入對話相應的空白處,使對話完整,合乎情景（有兩個多餘選項）。A:Hi,Jack!Howisitgoing?B:Terrible.A:What'swrong?B:Youknowwehavetostudyonlineathomethesedays.(66)____...