A:was happening
B:happened
C:happe
D:has happened
He used to _____ in a village, but now he has been used to _____ in the big city.
“愿你走出半生,归来仍是少年。”进来,一初二女生作文《愿你》网络上迅速走红,这篇文章让很多人再度重温青春。对于青少年来说,青春应该这样度过( )