switch the sentence from passive to Active
31.A digital pill that can tell doctors whether a patient has taken his or her medicine was approved by the Food and Drug Administration. (Hint: Who approved the digital pill? Start your new sentence with that name.)
32. The first self-driving car that is ready for mass production was designed by General Motors.
33. Approximately 400 million text messages are sent every day by Filipinos, making the Philippines the texting capital of the world.
34. A plan to invest $30 billion in capital spending in the United States was announced by Apple.
35. Doctors are offered cash rewards by insurance companies for prescribing generic drugs.
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