It is generally believed that constant reading and comprehending can ______ our mental ability of comprehension while physical exercise can help build up our body. 

Sadly the reading room where Karl Marx did a lot of reading had moved from its     place into another building.

 This printer is of good quality.If it ________ break down within the first year，we would repair it at our expense.

Top graduates from universities are ________ by major companies.

Take a regular holiday away from home to relax yourself from the pressure of your work, even if you are living on a tight ______.