Here's the answer:
(zhǔn-bèi háo diǎn-cān le ma?)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
You could also say:
- ní zhǔn-bèi háo diǎn-cān le ma?
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 88.19% of the time!