Here's the answer:
“长”
(cháng)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 93.46% of the time!
(cháng)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 93.46% of the time!