If these trousers are too big, buy a smaller＿＿＿．

Future will be a marvelous world of artificial ______----- robots might have their emotions and we human beings might have robots as friends．

—Have you seen Mike?—I just saw him in the______.

Being able to speak another language fluently could be a great ___when you are looking for a job. 

I refuse to lie about it, because it’s against my _____.