A.finish doing
B.start doing
C.continue doing
D.stop doing

A.pass
B.fall
C.sit
D.take

A.has increased
B.has declined
C.has gone up
D.has bettered

A.delayed
B.deferred
C.carried out
D.cancelled

A.started
B.established
C.built
D.demolished

A.added
B.taken away
C.taken off
D.abolished

A.called off
B.continued
C.destroyed
D.broken off

A.put up
B.loose
C.lose
D.put on

A.glance
B.see
C.look
D.eye

A.prevent dementia and Alzheimer’s disease
B.exercise muscles effectively and actively
C.stay active and prevent some illnesses
D.improve memory and cognitive abilities up to five years