Chuyển câu chủ động ra câu bị động ở thì httd 1. They are building a new school here next year. -> A new school is .............................................. 2. We are planting flowers in the garden. -> Flowers are ........................................ 3. He isn't reading books his room. -> Books ........................................ 4. Harry isn't playing tennis now. -> Tennis ..................................... 5. A student is doing that experiment now. -> That experiment ...........................