Della was too poor to buy a gift for Jim. (Negative)
Della was not too poor to buy a gift for Jim.
Della was so poor that he could not buy a gift for Jim.
Della was so poor that she could not buy a gift for Jim.
Della was so poor that she cannot buy a gift for Jim
সঠিক উত্তর:
Della was so poor that she could not buy a gift for Jim.
ব্যাখ্যা ও নোট:
'too...to' যুক্ত Affirmative বাক্যকে Negative (Complex) করতে 'so...that + pronoun + cannot/could not' বসে।