1.The people in the past asked --- .

1.The people in the past asked ___ .
A.what life would be like in 2010
B.where they live in 2010
C.what food would they eat in 2010
D.how they went shopping in 2010
2.--Why didn't you go to see the film last weekend?
--I ___ it with my parents before.
A.have seen B.had seen C.had saw D.had been seen
3.Computers _____ families and offices.
A.are used for B.are used to
C.are used in D.used for