We __________ have proved great adventurers, but we have done the greatest march ever made in the past ten years.
This monument was built in honor of the scientist who was believed ______ the first telephone.
I have kept that picture ______ I can see it every day,as it always reminds me of my university days in London.
I wonder what notes he made in the back of his diary ______ things to mend or replace.
---Why is the librarian looking so hard at me? ---You _______ to read aloud in the reading room.
The fire was finally brought under control,but not ________ great damage had been caused.