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

—Could you please do ________ for me, Jim?  —Yes, with pleasure. 

do your friends often communicate with you on wechat微信? Yes. Sometimes. It’s ___ we enjoy doing at weekends.

—Who called me this morning when I was out?—A man calling _______ Robert.

—How many computers are there in the room? —________．Some workers moved them to another place just now．