Помогите с 4 заданием,не знаю как делать.

2) Were Peter and Zhankanger at the gym last Monday? Yes, they were.

3) Was Zhankanger at the park last Thursday? No, he wasn`t.

4) Was Julia at the theatre on Wednesday? Yes, she was.

5) Were Zhankanger and Julia at the zoo on Thursday? Yes, they were.

6) Was Peter at the park on Thursday? No, he wasn`t.

7) Were Julia and Zhankanger at the theatre on Wednesday? Yes, they were.