1 - Does a postman deliver mail? Yes, he

.

2 - Do firefighters deliver mail? No, they

.

3 - Do waiters and waitresses work in bars and restaurants? Yes, they

.

4 - Does the cook prepare meals? Yes, he

.

5 - Does the waitress cook? No, she

.

6 - Do detectives investigate? Yes, they

.

7 - Does a secretary answer the phone? Yes, she

.

8-

she type letters? Yes, she does.

9-

a saleswoman look after patient? No, she

.

10-

mechanics repair cars? Yes, they

.

1. does

2. don't

3. do

4. does

5. doesn't

6. do

7. does

8. does

9. does/doesn't

10. do/do

вероятно так

1. Does a postman deliver mail? - Yes, he does.

2. Do firefighters deliver mail? - No, they don't.

3. Do waiters and waitresses work in bars and restaurants? - Yes, they do.

4. Does the cook prepare meals? - Yes, he does.

5. Does the waitress cook? - No, she doesn't.

6. Do detectives investigate? - Yes, they do.

7. Does a secretary answer the phone? - Yes, she does.

8. Does she type letters? - Yes, she does.

9. Does a saleswoman look after patient? - No, she doesn't.

10. Do mechanics repair cars? - Yes, they do.