I can hardly say which dish is best –it’s simply a（n） _____ of personal taste．

Used to TV shows, where everything is quick and entertaining, many people do not have the _______ to read a book that requires thinking.

 The _______of our life has been improved greatly since the Party’s policy was carried out.

You can ask him again if you like , but it won’t make any      —he’ll still say no .

 Professor Jordon is well known for his _____ into the habits of the common housefly.