We petrol in cars in the future.
won't use
aren't going to use

Объяснение:

1)'Where is the post office?' ⇒ He asked me [no answer] .

Correct answer: where the post office was

 Question with what, when, where, etc. (direct speech) ⇒ asked me + what, when, etc. + subject + verb (reported speech).

 Present simple (direct speech) ⇒ past simple (reported speech).

2)'Are you going to the beach today?' ⇒ She asked me [no answer] .

Correct answer: if/whether I was going to the beach that day

 Yes/No question (direct speech) ⇒ asked me if/weather + subject + verb … (reported speech).

 Present continuous (direct speech) ⇒ past continuous (reported speech).

 today ⇒ that day

3)'Let me go! ⇒ He told them [no answer] .

Correct answer: to let him go

 Orders or requests (direct speech) ⇒  told me / asked me + to infinitive (reported speech).

4)'Where were you last night?' ⇒ He asked me [no answer]  night.

Correct answer: where I had been the previous

 Question with what, when, where, etc. (direct speech) ⇒ asked me + what, when, etc. + subject + verb (reported speech).

 Past simple (direct speech) ⇒ past perfect (reported speech).

 last night ⇒ the previous night/the night before

5)'I may not be ready next week.' ⇒ Tomas said that he [no answer]  week.

Correct answer: might not be ready the following/next

 may ⇒ might

 next week, month, etc. ⇒ the following week, month, etc. / the week, month, etc. after

6)'I think Jack will do something stupid' ⇒ Suzan said (that) [no answer]  something stupid.

Correct answer: she thought (that) Jack would do

 Present simple (direct speech) ⇒ past simple (reported speech).

 will (direct speech) ⇒ would (reported speech).

7)'You must tell Ted that I will be there.' ⇒ Sara said that I [no answer] .

Correct answer: had to tell Ted (that) she would be there

 must ⇒ had to

 will ⇒ would

8)'Have you been here all this time?' ⇒ She asked him if  [no answer] .

Correct answer: he had been there all that time

 Yes/No question (direct speech) ⇒ asked me, him, etc + if/weather + subject + verb … (reported speech).

 Present perfect (direct speech) ⇒ past perfect (reported speech).

 here ⇒ there

 this ⇒ that

9)'Stop or I will tell dad.' ⇒ He told her sister [no answer] .

Correct answer: to stop or he would tell dad

 Orders or requests (direct speech) ⇒  told me, him, etc. / asked me, him, etc. + to infinitive (reported speech).

 will ⇒ would

10)'I'm going to stay with Sally tomorrow.' ⇒ She told me she [no answer]  day.

Correct answer: was going to stay with Sally the following/next

 am/is/are going to ⇒ was/were going to

 tomorrow ⇒ the next day, the following day, the day after