Betancourt and Hill have completed 25 of the 128 items on Betancourt's bucket list, they said.

\"Some of the things that we’re looking forward to right now are lifting weights with ‘The Rock,'\" Betancourt said, referring to actor and former wrestler Dwayne Johnson. \"The other thing that’s really far out there is go to space. You never know. I just have to put that on the list.\"

Be The Match challenged \"Good Morning America\" anchor Robin Roberts, who is a bone marrow recipient herself, to take on the Lemons for Leukemia Challenge.

Roberts accepted the challenge, and took part in it today along with the other \"GMA\" anchors.

#LemonsForLeukemia challenge accepted in Times Square! @GMA challenges @TheRock, @jimmykimmel, @TiffanyHaddish and Will Smith next to help our pals at @BeTheMatch! pic.twitter.com/gmlowFu0Ga

— Good Morning America (@GMA) March 1, 2018

To all my wonderful @BeTheMatch friends all I have to say is...CHALLENGE ACCEPTED!! ???????? https://t.co/csl4bRTU1x

— Robin Roberts (@RobinRoberts) February 23, 2018

The \"GMA\" anchors were joined in taking the Lemons for Leukemia Challenge by \"GMA\" staff, audience and people across the country, from California to Minnesota and Times Square.

\"PHOTO:
ABC
PHOTO: The "Good Morning America" anchors take part in the "Lemons for Leukemia Challenge," a social media campaign to raise awareness about bone marrow donation.
>
\"PHOTO:
ABC
PHOTO: People outside the "Good Morning America" studio in Times Square take part in the "Lemons for Leukemia Challenge," a social media campaign to raise awareness about bone marrow donation
>

Our audience here in Times Square is in it to win it! #LemonsForLeukemia challenge accepted! pic.twitter.com/agrxPzxXZ2

— Good Morning America (@GMA) March 1, 2018

To learn more about how to join Be the Match's bone marrow registry, click here.

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