Răspuns:
2. Did people use to travel by car?
3. Did people use to travel by plane?
4. Did people use to chat on W?
5. Did people use to wear hats?
6. Did people use to take selfies?
7. Did people use to read newspapers?
8. Did people use to type letters?
Explicație:
afirmativ Yes, they did
negativ No, they did not