The early 1950s was still________ time when girl's education was always placed________ second to boy's.
It is human activities on the earth that are to _______ global warming.
I like the house with a beautiful garden in front, but I can’t afford______.
His glasses, _____he was like a blind man, were broken.
Experiments of this kindin both the U.S.and Europe well before the Second World War.
So _____ in the darkness that he didn’t dare to move an inch.