Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences

Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences.
17. Solving that math problem was a piece of cake to me. I just needed two minutes.
A. very hard                B. very easy                C. very delicious        D. very cheap
18. Ngoc is very interested in watching cartoon on TV.
A. fond of                B. fed up with                C. tired of                D. sick with
Choose the word or phrase that is OPOSITE in meaning to the underlined part in each of the following sentences.
19. Your mother will be very proud when she sees you here.
A. excited                B. disappointed        C. happy                D. worried
20. I’m fed up with playing football now.
A. tired of                B. excited about        C. worried about        D. good at