Conjunctions and linking words

(a)   (Vaikka) I do my homework every day, I still have trouble understanding my mathematics course.

(a)   (Sen vuoksi/Siksi) I must ask my teacher to help me.

I am ready to work hard (a)   (kunnes) I feel I understand it all.

(a)   (Itse asiassa) it probably won't take long.

(a)   (Niin pian kuin/Heti kun) my friend manages to save enough money, we will travel to Australia.

We would like to spend a whole month there (a)   (ellei) it's too expensive.

(a)   (Kuitenkin), we may have enough money for only two weeks.

(a)   (Sitä paitsi), I'm glad I succeeded in travelling to Australia.

Now I'm so happy __________________ (koska) I have something interesting to look forward to.

Sports can help you if you're feeling sad (a)   (kun taas) watching TV can make you feel even worse.