1) Which is  the most common word in English?  

2) February is  shorter than January.    

3) Which one is the heaviest book on the table?  

4) Horses are  more intelligent than donkeys.  

5) Is August  the hottest month of the year?  

1) He arrived  earlier than expected.    

2) He checked his answers  more carefully than she did.  

3) My sister sang  more beautifully than Amanda did.    

4) He hit his arm  harder than before.  

5) My mother and my sister talked more loudly than the other guests.