If the printer _______ break down under guarantee, we would repair it at our expense. [ ]

________, his new neighbor fell off his bike lastweek, and he was badly hurt.

This is the most beautiful picture __________ I have ever seen.

I have a problem. I don’t have a partner to practice English ______ at school..— That`s really a big problem.

I think _________ can make Andy change his mind. He is such a person who never gives up easily.