3 Spelling and Sounds
基础科学

        There are 26 letters in the English alphabet,i.e. A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z. There are five vowel letters,i.e. A,E,I,O,U.And there are 21 consonant letters,i.e. B,C,D,F,G,H,J ,K,L,M,N,P,Q,R,S,T,V,W,X,Y,Z. But there are more than ......（本文共 7768 字）     [阅读本文] >>