Read the followingpassage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

It is usually very hard to become familiar (21)______ the culture of a foreign country. If you live a long time in that country, you will find out how little you really know about its culture. Books are often of little use (22)______ they concentrate on differences between your own culture and that of the foreign country. A lot of information they contain is not correct. It is even difficult for us to become (23)______ of the culture of our own country. A recent (24)______ showed that British people did not know what was really typical of their country! They listed stereotypes when they were asked to (25)______ the things they thought were typical of Britain.

It is usually very hard to become familiar (21)______ the culture of a foreign country.