I. Complete the sentences.
Example: If Mike … (do) his best at school, his parents would be happy with his marks. –
1 If Mike did his best at school, his parents would be happy with his marks.
2 If my friend … (be) at home, he would tell us what to do.
3 If you did your morning exercises every day, your health … (be) much better.
4 If they … (not go) to Moscow next year, they would hear that famous musician.
5 You … (not feel) so bad if you … (not smoke) too much.
6 If you … (speak) English every day, you …(improve) your language skills.