There ‘s some difficulty in _____ such little children. [ ]

it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a new word or sound, she repeats it over and over until she masters it.

Bill was staying on a farm with his uncle last summer. So ___ Mary.

How do you learn English, Tony – I usually practice English ________chatting with my American friends.

_______should not be allowed to get ears pierced.