1. Mr. Bell asked if Mr. Lavrov was busy all day.
2. Mr. Bell wondered if Mr. Lavrov like active holidays.
3. Tom asked if Nancy had seen any interesting comedy lately.
4. Mr. Bell wondered if Mr. Voronin would be back at 12.
Who is Balzac?
When did his friend bring him an exercise book?
Why did Balzac's friend smile? What did he say?
Did Balzac make a mistake?
У меня есть друг. Ему 9 лет. Он худой но сильный. Он не ленив.
I like play chess with my friend, but i can do this just in the evening!
Просто пишешь все на ступень во времени ниже. Например было Present Simple, следовательно в косвенной речи будет Past simple.