A.struck | B.occurred to | C.came upon | D.happened to |
A.tear down | B.look down | C.put down | D.turn down |
A.set down | B.turn down | C.put down | D.broken down |
A.admired | B.looked forward to | C.respected | D.looked on |
A.coming up; did | B.turning up; did | C.showing up; should have | D.appearing; should |
A.set off | B.set about | C.set out | D.set up |
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