She studies ___ medicine before she turned ___ writer.
—Miss White has decided to explore in the forest by herself.—She________ask her boyfriend to if she ________go walking in the forest.
.—Do you feel like ________ there or shall we take a bus? —I’d like to walk. But since there isn't much time left, I'd rather we________ a taxi.
—I didn't go to see the doctor yesterday. —But you________.
— What’s the matter with Peter?— He was seen crying when he was coming out of the office. He ________ by the manager.
— It _______ be Jack who is in the office.— No, it _______ be him. I saw him off at the airport half an hour ago.