How you feel about life and anything________depends on where you focus your attention

（湖南省怀化市2014年高三第二次模拟考试）21. For more information, please send an e-mail, ______ you can also include your advice to us.

_____ the doctors insisted on was that they _____ more respect and sense of security. [ ]

The price of vegetables _______ sharplysince last month.

With some technical problems to be solved, it may be a while _____the system is put into use[ ]