1: I've lost struggle (3)

3: Explosion is bomb's first and last (5)

6: Coral Sea, perhaps, without a fish (7)

7: Al's gamble on outcome of sports (4,5)

9: Gets bastion rebuilt (7)

11: Some of the best came stumbling south (5)

12: Therefore, finish off this bit of work (3)

1: Compete with life in France (3)

2: Shine audio, $40? (5)

3: Greenback entrances Microsoft boss (4,5)

4: 4-down Arias hit high note in some of the lungs (3,3)

5: They secure money for the government, so we hear (5)

7: Vagrant going over a little river to a foreign country (5)

8: Do tell! A puzzle found in a cornfield? (5)

9: Rohmer hiding unit of Resistance (3)

10: Bend in the middle and wind back (3)