Put the correct form of the verb in brackets: She asked me where i (buy) ... that car

Put the correct form of the verb in brackets
1. She asked me where i (buy) ... that car
2. She asked him where he (be) ... from
3. They said that they (sell) ... their house
4. I asked them if they (pass) ... the final exam
5. I asked him if he (can) ... help me