Помогите!!!!!!!!!!!!!
Choose the correct word or phrase to complete each sentence.
1 I am not very fond to do / of doing tests.
2 Jessica has really looking forward to go / to going back to school.
3 my dad helped me with / for this composition.
4 Pedro has not very good at / in learning new vocabulary.
5 All the students are able of writing / to write letters to their pen friends.
6 Are you beginning to understand / understending the difference between past simple and past continuous?