During the earthquake,the great part of damage and loss of life was_____the poor quality of the buildings, which couldn’t fight against its force.
John seemed puzzled about _____ the question meant.
Everyone tells me I’m a good speaker, _____ I really don’t like speaking in public.
—You've got a cold, not the H7N9! Everything will turn out OK. —______! I have been worrying about it for days.
Mike apologized for _______ to inform her of the change in the working plan.
It was Tom as well as two of his classmates that _______ invited to the party.