句型转换。 1. My father began to learn football when he was ten years old. (就画线部分提问) ______ ______ your father ______to learn football? 2. I spent 3 hours doing the work last Sunday.(改为同义句) It ______ 3 hours ______ the work last Sunday. 3. He started to learn English when he was 10.(就画线部分提问) ______ ______ he ______ to______ when he was 10? 4. My sister walked to work last Monday.(改为同义句) My sister______ to work on ______ last Monday. |