--- What’s your brother? ---He _______ a teacher, but now he is a doctor. A.used to be B.wa
---What’syourbrother?---He_______ateacher,butnowheisadoctor.A.usedtobeB.wasusedtoC.us...
--- What’s your brother? ---He _______ a teacher, but now he is a doctor. A.used to be B.was used to C.use to be D.is used to be
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