Choose the correct comparative form.
1. It is ___ than they expected.  more difficult  very difficult  much difficult 2. You look ___.  more young  more younger  younger 3. This box is ___ than that one.  heavy  heavier  more heavier 4. He is ___ than his sister.  much famous  famous  more famous 5. Helen is ___ than Patricia.  more popular  very [...] MORE