Ответ:

1a. Do the campers sleep in the tree houses?

1b. Where do the campers sleep?

2a. Are they vegetarians?

2b. Why are they vegetarians?

3a. Is he making a fire at the moment?

3b. What is he making at the moment?

4a. Is it getting cold at night?

4b. When is it getting cold?

5a. Has the tent got a big sleeping area?

5b. What has the tent got?

11.

1. Who brought these foods to the kitchen?

2. Who was cleaning the floor?

3. Who cooked porridge for us in the morning?

4. Who found the money yesterday?

5. What has happened him?

5.

1. Do they play tennis every Sunday or Saturday?

2. Did she swim in the river in summer or in autumn?

3. Will boys ride bicycles this evening or morning?

4. Are the children making noise or playing quite?

219.

1. They won't go to the party, will they?

2. This house is new, isn't it?

3. I'm your doctor, am not I?

4. There is much snow there, isn't it?

5. There is no juice in the fridge, isn't it?

6. She never comes in time, don't she?

7. They have got a new house, haven't they?

8. They had many tomatoes last summer, hadn't they?

9 They had no time to discuss this problem, hadn't they?

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