. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
She insisted that she ______ not guilty , but we insisted that she ____ into prison
I found her nice and honest ____ I saw her.
I have ______ my husband again and again not to smoke , but I can’t ______ him.
He asked Mary whether she had passed the exam ________.
More than _______ of the classmates in my class ____ fond of pop music.