Could I finish it today or tomorrow ?—Either day is OK．Take your time．You _________ do it as you like．

Teenagers have all kinds of dreams. _____, some students would like to go to the moon some day. [ ]

The old man lives in the village _____, but he never feels _______.

________ students are in the classroom.

Every individual _________ in a continually changing world of experience of which he or she is the center.