Turn the sentences into negative and interrogative forms

E2. Turn the sentences into negative and interrogative forms.
1. They were in Rio last summer 


2. We did our exercise this morning.


3. My parents came to visit me last July.


4. The hotel was very expensive.


5. I had a bicycle when I was young.


6. The children went to the zoo yesterday.


7. Ernie ate the last doughnut.


8. They bought a new house last month.
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