Answer:
1. Where did you <u>go</u> yesterday?
2. You <u>don't</u> have to go if you don't want to.
3. We <u>should not</u> run. The train doesn't <u>leave</u> for an hour.
4. You <u>have to be</u> careful. <u>That's</u> very dangerous.
5. How <u>would</u> they get to school every morning?
6. What's he like? Well, he's very quiet and serious.
Explanation:
Answer:
On March 26, 1953, American medical researcher Dr. Jonas Salk announces on a national radio show that he has successfully tested a vaccine against poliomyelitis, the virus that causes the crippling disease of polio. In 1952—an epidemic year for polio—there were 58,000 new cases reported in the United States, and more than 3,000 died from the disease. For promising eventually to eradicate the disease, which is known as “infant paralysis” because it mainly affects children, Dr. Salk was celebrated as the great doctor-benefactor of his time.
Explanation:
Emily and Susan's yard is landscaped with only native plants.
Move the passive sentence's subject into the active sentence's direct object slot.