Give Russian equivalents for the following sentences.
1.1 can't help admiring Moscow. It's a beautiful city.
2.It's always worth revising before the exam.
3.It's no use trying to remember what you haven't learned.
4.My mother can't help falling asleep while watching TV.
5.Is the new film worth watching?
6.I was busy translating the text when she phoned.
7.It's no use crying over spilt milk.