1) Use: on, in, at. (the) The church opens its doors- pray -- five o'clock morning, but people want to ----afternoon; The pastor was a special person who never prays-weekend he ----Saturday because he is an Adventist of seventh day but says that is better Sunday he preaches, too. When he is -----------Summer he goes to the church ------Monday and Wednesday because many religious people participate on the services. (5)​