A.put; concentrate on | B.paid; talked about |
C.fixed; dealt on | D.focused; focused on |
A.run out | B.run out of | C.running out | D.running out of |
A.happened | B.struck | C.occurred | D.broke out |
A.cut up , cut down | B.cut down, cut off | C.cut in , cut off | D.cut in , cut up |
A.contribute to solving | B.contribute to solve |
C.be contributed to solve | D.be contributed to solving |
A.reached , came to an end | B.was reached , put an end to |
C.arrived at , bring to an end | D.was arrived at , came to an end |
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