Salaries are much higher here than ______ in my city.
Obama and his officials are trying to ______ the serious problems from the financial crisis.
The employee must have been dismissed by the employer last month, ____ he?
Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.
--- Have a nice weekend!---Yes._____.
_____ wants to study well must learn things _____.