очень срочно, помогите пожалуйста​

Не факт что правильно, переписывайте на свой страх и риск.

Через / пишется вариация ответа.

1) Is Mark/he going to take his passport?

Yes, he is.

2) Is Jennifer/she going to travel by train?

No, she isn't.

3) Is Mark/he going to travel by train?

Yes, he is.

4) Is Jennifer/she going to buy a souvenirs?

Yes, she is.

5) Is Mark/he going to buy a souvenirs?

Yes, he is.

6) Is Jennifer/she going to spend a lot of money/spend much money?

Yes, she is.

7) Is Mark/he going to spend a lot of money/spend much money?

No, he isn't.

8) Is Jennifer/she going to hire a car?

Yes, she is.

9) Is Mark/he going to hire a car?

No, he isn't.