A.With; developing | B.Under; development |
C.With; development | D.Under; developing |
A.in | B.about | C.on | D.With |
A.At | B.With | C.To | D.For |
A.at | B.in | C.of | D.With |
A.at; to | B.in; for | C.in; during | D.at; on |
A.on duty; off duty; on night duty | B.on his duty; off the duty; on night duty |
C.to duty; from duty; at night duty | D.in duty; out duty; at night duty |
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