Keeping in touch with our friends is an important part of friendship. This does not mean that __48__ have to write or call our friends every day. It does mean, however, that we __49__ care enough about our friends to find out how they are doing from time to time.
People have different habits about keeping in touch with others. Some like to call their friends, sometimes many times __50__ day. Others prefer to e-mail their friends. Still __51__ prefer writing letters so that they can include photos or interesting articles __52__ the envelopes along with their letters. Some even write postcards while they are on vacation __53__ send them to friends.
Every kind of communication is important. It is __54__ important what kind of call we make or letter we send. __55__ is important is that we let others know we care about them.