A.looked very serious
B.thought they would be rich
C.began to think about their design
D.began to play games
A.loved their own designs more
B.thought they had a fair chance
C.put their own designs in.a comer
D.thought they would not win the prize
A.enjoyed grown-up tricks very much.
B.loved poster competitions very much
C.felt,surprised to win the competition
D.became wise and rich after the competition
A.a new way to look at the learning of language
B.a challenge to traditional views on the nature of language
C.an approach to simplifying the grammatical structure of a language
D.an attempt to clarify misunderstanding about the origin of language