1. My sister is going to be a policewoman in the future. (对画线部分提问) is sister going to be in the future? 2. I must take good care of my pet dog at home. (改为同义句) I must _____ _____ my pet dog carefully at home. 3. He might go to the movies on Sunday. (改为否定句) He _ _____ go to the movies on Sunday. 4. She can find that book at the library. (改为同义句) She _____that book at the library. 5. You must finish your homework before ten o"clock. (用have to 进行改写) You _____ finish homework before ten o"clock.