A lot of scientists believe that women’s sense of smell is better developed than ____ of men.

Berners-lee made ____possible for everyone to use the Internet.

 —Have you found your lost mobile phone? — No, I haven’t found      , but I bought       this morning.

No progress was made in the trade talk as neither side would accept the conditions of _____.

 —Would you like to tell your problems to your mother or to your father?— ______. I usually keep it deep in my heart.