A.dig up | B.look up | C.take up | D.set up |
A.dates from; is belonging to | B.dates back to; belongs to |
C.dated from; is belonged to | D.dated back to; belongs to |
A.happened | B.appeared | C.occurred | D.hit |
A.end up | B.give up | C.pick up | D.make up |
A.keep | B.separate | C.remove | D.replace |
A.broke through | B.broke off | C.broke out | D.broke down |
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