A.dig
B.agency
C.charge
D.exchange

(1)
A.give
B.work
C.put
D.take

(3)
A.out
B.under
C.of
D.on

(4)
A.unattainable
B.immeasurable
C.undetectable
D.impassable

(7)
A.count
B.score
C.memory
D.patience

(8)
A.whose
B.which
C.of which
D.who

(12)
A.linked
B.attached
C.taken
D.connected

(14)
A.However
B.Moreover
C.Although
D.Because

A.treat
B.heat
C.beat
D.sweater

(16)
A.ironically
B.especially
C.brutally
D.bitterly