Friends and relatives of the young couple have come to congratulate them _______ the arrival of the new baby.
--- _________? --- Fine. I’ve got used to the climate here, and my health has improved lot.
Almost all of his time ______ experiments, he has no time to visit his parents.
---Look, our headmaster is over there, playing basketball with some students of our class. --- Oh, he must be ________ to his students.
—Have you seen my dictionary? ---- Is it _______ you bought last week? Perhaps _______ is on your bed.
Your niece is very strict and ______ worth teaching, but your nephew is not. Look, he is now ______ asleep in class.