Ответ:

A.

-ed - opened, mixed, repeated

-d - liked, baked, decided

-ied - married, tried, worried

double consonant + -ed - stopped, planned, travelled

B.

2. have not ordered ( did not order )

3. phoned

4. played

C.

2. Did your friends play football yesterday?

  Yes, they did. / No, they didn't.

3. Did your mum bake a cake last weekend?

  Yes, she did. / No, she didn't.

4. Did you phone a friend an hour ago?

  Yes, I did. / No, I didn't.

D.

2. drank

3. rode

4. gave

5. thought

6. had

7. went

8. woke

9. bought

E.

2. Did Jenny wear a skirt to the party?

  No, she didn't. She wore jeans.

3. Did cowboys drive car in the 1880s?

  No, they didn't. They rode horses.

4. Did the teacher speak Greek in the lesson?

  No, she didn't. She spoke English.