1.  Because of the increase of these cases, the fixed old-fashioned idea on the roles men and women play has faced great challenge now.

2.  However, this "truth" is confronting great challenge in modern society.

3.  In short , college life is a great challenge but also a wonderful opportunity , so imagine it and then take it.

4.  One can enjoy himself from reading a novel or something else interesting, but it's a great challenge to keep oneself in good mood when he recites the long lists of test words, because it's really boring and sometimes even suffering.

5.  In a word, time management is a great difference while a great challenge.

6.  In a word, to expand vocabulary of English, you have better buy a word book and learn words from A to Z one by one, which is definitely a great boring challenge, but also an enormous benefit.

7.  However, as time goes by, this kind of belief confronts a great challenge.

8.  First, it is really a great challenge for you to work at home.

9.  It is a great challenge, such as a Hollywood thriller: Michelangelo Meets the Nerds.

10.  Unluckily, the differences between men and women does pose great challenges to their marriage.