The USA is a large country in ________ many different dialects are spoken.
As far as I see, _______ is no possibility _________ he will win the tennis match this time.
Help _______ to some cakes, Jim.—Thank you.
The weather repot says the temperature is going to drop sharply. Do remember to put on more clothes. — __________
The old man could cross the busy street _____ the help of his dog. [ ]