Mei Li:
What was the name of the first human spaceflight to land on the moon, in July 1969??
Shuai Zheng:
apollo 11
Mei Li:
The sackbut developed into which modern instrument??
Shuai Zheng:
trombone
Mei Li:
For what does the 'w' stand in 'PwC', one of the 'Big Four' accountancy firms in the world??
Shuai Zheng:
waterhouse