president
During the reconstruction of the city, many modern tall buildings went up _________ old shabby houses were torn down.
If I were rich, I should help them out. _________,I can do nothing.
I don't think Maria will be disappointed at the news, but I will see her _________ she is.
_________, I could not memorize the text.
The sons and daughters said they never fully appreciated their parents _________ it was too late to tell them.