I will try and submit the clues correctly , Not like yesterday!!!
5 Across, Wine and drug can start to react oddly (5,3)
9 Across, Kept going, having reduced fare to English port (6,4)
12 Across, Australian territory,a small island overshadowed by another, facing west (8)
13 Across, Worry a French test confused foremost among language experts (8)
Compiler - DAC
Many Thanks