The little boy ate ________ hismother gave him.

It’s not necessary to explain the truth ____ there is spring wind, there is green grass. [ ]

Varieties of after-class activities _______ to enrichstudents’ school life are held on Friday afternoon every other week in ourschool

Dear me! I’ve been in America for a month—–________ you are settled, why don’t you take up some serious study ?

John is preparing his tomorrow’s speech, for he has been chosen _________ a member of the English Speech Club.