A.change
B.changed
C.changeable
D.changing

A.has been
B.have been
C.will be
D.are

A.same
B.similar
C.different
D.various

A.accidentally
B.suddenly
C.quickly
D.slowly

A.complete
B.find
C.compete
D.exist

A.where
B.which
C.when
D.what

A.where
B.which
C.when
D.what

A.cut
B.broken
C.brought
D.pulled

A.Despite
B.Unless
C.Although
D.Since

A.above
B.below
C.on
D.over