17) 1. There is, 2. There is, 3. There are, 4. There are, 5. There is, 6. There is. 18) 1. - Is there any.... - yes, there is some. 2. Is there any... - yes, there is some. 3. Are there any... - yes, there are some. 4. Are there any... - yes, there are some. 5. Is there any... -yes, there is some. 6. Is there any... - yes, there is some. 7. Have they got any vegetables? - yes, they've got some.