—I came all the way to inform you of the time and place of the meeting. —You could have yourself the trouble by calling me.
Is it the letter you got yesterday ________ makes you so sad?
It’s important to listen to your teacher carefully in class, so try not to let your mind _________.
-Do you mind if I turn off the TV?-__________.
Jennifer, who is my best friend, said she would go abroad for further education __________.
A good teacher should leave some time for the students to _________ the knowledge.