He was snowboarding ______he fell and broke his leg., when, while, ______ I was sitting on the bus, I saw my English teacher., When, While, She learned a lot of English ______ she was living in London., When, While, ____________ I got home I went into the kitchen., When, While, I was watching TV ______ my friend called me., when, while, ______ she was walking in the park, it started to rain., When, While, They were having dinner ______ the phone rang., when, while, ______ we were studying, the power went out., When, While, He broke his leg ______ he was playing football., when, while

While vs When

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