It is believed that forest bathing ______ strengthen the immune system.

If you try to understand _____ that prevents so many Americans from being as happy as one might expect, it seems that there are two causes. [ ]

Future will be a marvelous world of artificial ______—–robots might have their emotions and we human beings might have robots asfriends

She ________ great importance ________ regular exercise.[ ]

I wonder when it was __________ you came to realize__________ he said meant