Shy people often avoid situations _____would force them into close contact with other people．

I’ll never forget the day_________ we spent happily together

          is expected that it will be fine tomorrow, when  we  can  do  some  outdoor activities． 

The reason _______ he gave at the meeting was not the exact reason _______ he failed to show up on time.

Whenever his mother spoke to him, ____ was fairly often, he would talk on and on without giving her a chance to speak.