2: Sister gets nothing, we hear (3)
3: Shock with exclamations while mounting horse (9)
4: Vapour trapped in paste amethyst (5)
5: Greek city - in the Adriatic or in Thessaly (7)
6: Italian composer making endless noise, sir (7)
9: Fools the Proletariat after banning Marx's _Capital_ (5)
12: Fix the oil platform ... (3)