Whether the buildings in this area should be pulleddown has remained ________; people are still looking for other possiblesolutions

Have you been to the Great Wall?— Perhaps not in my memory. _________, it might have been during my early childhood.[ ]

After living in Paris for years, he returned to the small town _____ he grew up as a child

Gina is English .____________ name isGreen.

I reall y don’t know ______ this question.