The weather in Beijing in summer is ___than that in Shanghai. They are different.

 The ______you work at your lessons, the _______ results you will get.

In my opinion, he is the second _________  sportsman in the world.

--What do you think of Lady Gaga?--Maybe she is one of ________ singers in the world.

 The new road is much ______ than before. Eight cars can pass it at the same time.