1.Does your brother like playing football? _________.
A.Not really
B.Not exactly
C.Not sure
D.Not again
2.What Mr.Smith did changed the way ________ peoplethink about AIDs.
A.whicn
B.what
C.in what
D.in which
3.Only when we lost what we had ________ how much we loved it.
A.we realized
B.we did realize
C.did we realize
D.realized we
