We know that a smile is usually a sign _____ people feel friendly and happy, but _____ we don’t know who the new person is?
---What do you think of the dinner in Mr Brown's? ---Oh, great! We have never had a better one. It's a dinner of twenty ___.
The teacher came to the classroom and demanded ___ what had happened.
Not far from the club, there was a girden, ____ owner seated in it playing bridge with his children every afternoon.
His job is to sell the __carvings in the ____ department of the company.
In salad bars the waiter does not bring you salad. You have to __ yourself, usually to as much as you want.