в каком предложении есть грамматическая ошибка? 1)Pete washed his dad's car last saturday. 2)I climbed a big tree yesterday. 3)She walks in the park late at night. 4)I stayed at home now. 5)He stayed at home now

. I went to the zoo last night.
2. We have never been there before.
3. Bob has not done his work yet.
4. They have just had lunch.
5. It rained in this city yesterday.
6. The fire has already gone out.
7. He wrote a letter to his girl friend last week.
8. Tom got some mail yesterday.
9. I have read all the newspapers today.
10. Pete had been absent from the class two days ago.