Mary was disappointed when she found outthey had gone to the cinema_____ her.

　Would　you　mind　my　sitting　next　to　you-　_____.

alking down the street, I came across David, when I _____ for years.

Who is the boy over there— ____ is my brother.

The government has taken some measures to solve the shortage of electricity, but it will be some time_________ the situation improves.