Possible Clues:

• and 8 across, 11.30
• Dice roll
• Frequently so many 17 across inside
• It's 18 down, yet the end is not
• Morning hour
• 9 too, by the sound of it
• Cricket 18
• Number in the back of taxi!
• The side of 1/10? (6)
• How odd it is, but not at last (6)