She spent ________ much time playing Majiang that she didn’t get enough sleep .
While he was in his college days he used to _______ long hair.
They eat less sugar and that’s ______ they have ______ white teeth.
--- Do you know the big news that Joan will marry Frank soon? --- Marry Frank? _________ She told me she would keep single.
Not a single book is allowed _________ out of the reading room according to the new rule.
The professor said that he was interested only in research; he didn’t ________ others’ comments.