suítángcèyàn
ㄙㄨㄟˊ ㄊㄤˊ ㄘㄜˋ ㄧㄢˋ
Simplified 随堂测验
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 隨堂測驗 and it comes back until you know it.