Quick crossword No 137

Across

1. MC in fast car, artist in fairground ride (5,5)
2. Thinking match is coming to a conclusion, blow the whistle (7)
3. Knock down a casual chap (5)
4. Close tight (4)
5. Confirms what Goldilocks found (5,3)
6. In nightmares I try to take an exam again (5)
7. Last year's winner fails to open as he's advanced in years (5)
8. Repierce clumsily - it's more chilling (8)
9. Old king to bid noisily (4)
10. Prize money could be super! (5)
11. Odd outsider fails to finish (7)
12. It'll stop the bleeding strange nit circulating (10)

Down

1. Inexperienced politician (5)
2. Clematis found on Captain Birdseye? (3,4,5)
3. The Farm oddly supplied players (4)
4. Jacket for smoking? (6)
5. It's not best to suggest French King is to return (8)
6. Sandbags for The Backs after deluge (5,7)
7. One twin aids easy movement (6)
8. Slow trains found in bottlenecks (8)
9. Cooking instructions befuddled epicure (not acceptable) (6)
10. Crones cavorting - this official may have to act (6)
11. Watchful old consort losing battle at first (5)
12. Press club (4)