A.had joined | B.took part in | C.takes part in | D.had taken part in |
A.mustn’t | B.can’t | C.needn’t | D.ought not to |
A.competed against; for | B.competed against; to |
C.completed against; for | D.completed; to get |
A.to | B.on | C.for | D.within |
A.that | B.this | C.it | D.one |
A.were | B.was | C.had been | D.have been |
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