1.   He found it difficult to talk to members of the opposite sex.

2.   Rupert has never shown much interest in members of the opposite sex.

3.   Body language can also be used to attract members of the opposite sex.

4.   Many tree species are dioecious, although sometimes the rudiments of the opposite sex are found in the flowers.

5.   She has decided that pretty compliments from members of the opposite sex are what, after all, is important in this life.

6.   Also consider that a member of the opposite sex is in the bathroom in the morning.

7.   And along the way he develops something of an understanding for the opposite sex.

8.   And they have made McMurdo a kind of laboratory for watching what happens when an all-male group is gradually infiltrated by the opposite sex.

9.   And they are finding out how other professional athletes have lived for years in terms of scrutiny, appearances, endorsements and attention from the opposite sex.

10.   And to decode the opposite sex, Mademoiselle employed a long list of youngish male advice writers.