Definition: to start to love someone Level: B1
我第一次坠入爱河时是18岁。
I was 18 when I first ___fell ___in ___love.
她爱上了他。
She ___fell ___in ___love with him.
他们在旅行时相遇，并迅速坠入爱河。
They met while travelling and quickly ___fell ___in ___love.
