--- It’s said that many workers in our city have _________ some organizations to help the elderly and the disabled people
--- Yes. They have helped thousands of people up to now. We should learn from them.

A．stayed up

B．put up

C．took up

D．set up

--- I will be happy if one of the works __________ the artist.
-- I am not sure. Perhaps he __________ the one you painted in Tibet last year.

A．satisfies; is satisfied with	B．satisfied with; is satisfied with
C．satisfying; satisfies	D．satisfies with ; satisfies

--- It’s beyond doubt __________ he has paid for the tickets.
--- Of course not! ___________ I have a bad memory.

A．that; If

B．whether; If

C．that; Unless

D．whether; Unless

—How did you put together the model plane so perfectly?

—It's easy. I just followed the ________．

A．instructions	B．instruments
C．interviews	D．inventions