Rewrite the sentences without changing meanings

V. Rewrite the sentences without changing meanings.
1. Nick drivers more carefully than his brother 
=>Nick driver………………………………………………………………
2. Mai’s bike is cheaper than Hoa’s bike
=>Hoa’sbike  ……………………………………………………………..
3.  He goes to school, though he is very tired.
=> Though …………………………………………………………………
4. My teacher enjoys listening to folk songs  in her free time as this helps her reduce stress
=> My teacher likes……………………………………………………