Как пишется there was a cake on the table или как?

в этом нужно убрать лишнее слово из строки.

1. giraffe 

2.   penguin 

3.   hipo

4.   crocodile 

1. i like reading fairy tales.

2. she is a teacher.

3. my friend uses computer every day.

1. i don't want to go for a walk.

2. she isn't hungry.

3. we are not thirsty.

1. is he reading a book?

2. are you a student?

3. are we good friends?