Mei Li:
Featuring William Hartnell in the title role, Nov 23, 1963 saw the debut of what BBC sci-fi series, the world's longest running series in that genre??
Shuai Zheng:
doctor who
Mei Li:
Who was the first serving US President to visit Australia??
Shuai Zheng:
lyndon b johnson
Mei Li:
Which vegetable has the Latin name brassica oleracea gemmifera??
Shuai Zheng:
brussels sprout