Crossword help!

Aj2000

Hey Guys,

I'm stuck on a crossword so thought I'd ask for some help. I'm missing two which I just can't get

Across:
2 Slang term for a Dutch Gag 6,3 (Bubble Bit)
5 Dutch or Cheltenham 3 (Gag)
6 don't put this before the horse 4 (cart)
7 Indian holiday destination 3 (Goa)
9 Donald or Ivana 5 (Trump)
11 royal domain or field of interest 5 (Realm)
13 Combine two or more numbers 3 (add)
14 Popular stock cubes 3 (Oxo)
15 apollo taught these nine mythical beings 5 (?u??s)
16 Cleopatra was killed by this 3 (Asp)
17 Easily tempted female 3 (Eve)
18 Shiny happy people 3 (REM)
20 2013 Oaks winner 6 (Talent)
21 New acronym for BSJA 2 (BS)

Down
1 Badminton 2013 winner 5 (Paget)
3 Alexander the Greats horse 10 (Bucephalus)
4 James T Kirk can be found on the Bridge of this 10 (Enterprise)
8 Champion jockey for the 18th time 7 (AP McCoy)
10 Now called Zimbabwe 8 (Rhodesia)
12 You may need this to win the Grand National and the Hickstead Speed Derby5 (?O?ER)
19 Talking Horse... Mister.. 2 (Ed)

Once I have answers will post in main forum but cannot get these two!

Thanks

crispydragonfly

15 across is Muses.


12 Down is Power

Aj2000

Thank you CDF

StokieBecks

12 down seems tobe in the wrong order. I would siggest t should be horse?

StokieBecks

Or may be not :rotfl:

Crispydragonfly's answer is probabaly right