Many experts think pigs are ______ to train than dogs or cats.

Who is _________ in your school, Mr Wang or Ms Lee?       

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

 Of all the students, Li Ming is          to Mr. Wang.

—Daming, are you feeling better now?—No, mum. I feel even ________.