Supply the correct verb form

Supply the correct verb form.
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.
6.He asked me where I (go).......................... the previous day.
7.The teacher asked her why she (not do)................. the test.
8.I asked her if she (listen).................to music.
9.They asked him if he (must)..................go then.