In a time of social reform, people’s state of mind tends to keep _______ with the rapid changes of society.

--- How do I take this medicine? --- Well, look at the _______.

The plan was in _________ just because people were unwilling to cooperate.       

— Can I help you with it?— I appreciate your _______, but I can manage it myself.

＿＿＿＿＿a wonderful sense of humour．