--What do you think of Pleasant Goat and Big Big Wolf (《喜洋洋与灰太狼》)？---It’s very    . Many children like watching it.

To make our city greener and cleaner, we need ______ trees.

---I eat _____ vegetables and ______ meat than I did last year.  ----That's why you're getting fatter. 

 Beijing is one of the ____ in the world.

--- How many English words should I remember, Mr. Black?--- ______, the better, of course.