1. The workers said that robots **were** replacing them on assembly lines. 2. They said they **might** develop wireless systems on their hardware platform. 3. He said he'd been so busy **that** afternoon that he'd completely forgotten to call her. 4. She said she had left all worries behind and devoted herself to the study of science some year **ago**. 5. He said that Emily was wearing a brown dress she'd bought **the previous day**. 6. My teacher said that Alexander Fleming **invented** penicillin in 1928. 7. The secretary said I could leave a note on her desk whenever she wasn't **there**. 8. The reporter said that the government didn't have the answers to **those** difficult questions. 9. Julia said that she didn't like to stay at home and watch TV **that day**. 10. He said that the Internet signal could **now** be transmitted by satellite. Bạn có thể sử dụng các đáp án trên để hoàn thành bài tập của mình! Nếu bạn cần thêm sự giúp đỡ, hãy cho tôi biết!