Question

Iris _cgsz

この問題の答えについてですが、これは二番でも行けないのですか？
二番がダメなのは、完了形に過去も含むからでしょうか？

(81) When Ken comes home from school this afternoon, his mother (
dainy Sensaze
chicken.
) cooking roast
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(3
)SH (83)
moox redool at ni C
been Thas been will be would be nivel guivast od o
(81)
(82) Read this book (1). to bas et yderssy Of 10t Intiqeod Issol edt to
Dhad been