A.in short
B.in sum
C.in part
D.in the end
A.places
B.posts
C.occupations
D.positions
A.climb
B.land
C.reach
D.jump
A.apply
B.give
C.devote
D.contribute
A.money
B.power
C.accomplishment
D.time
A.advance
B.fly
C.operate
D.control