In story 10, several things are combined as “one word” that are not one word. Each mistake is repeated in the story and/or questions.
不常去 is marked as 1 word. It should be 3 words: not, often, go.
银项链 (“silver necklace”) should be two words: silver and necklace. The story also calls it a “necklace” (项链), and even asks if it is silver or gold.
“Megan will” (梅根会) should be two words: Megan and will (会).
“I want” (我要) should be 2 words