The little boy was allowed to go swimming _______ he kept near the other boys

People living in cold climates prefer touse warm cloursa warm and comfortable feelingthere.

We wouldn’t have called a taxi yesterday if Harold __________us a ride home.[ ]

Mike Miller is such a quiet student that he kept silent most of the time and ______ talked to his classmates in the school.

There is no doubt _______ nearsightedness is a serious problem among the youth of our country.