Aunt Liu ______two sons. They ______ students. [ ]
A. have, are
B. has, is
C. has,are
答案:C
My brother bought a teapot ________ like a Chinese duck, the price of which was much lower than expected.
A.shaping
B.being shaped
C.to be shaped
D.shaped
早在1897年,广东东莞人()就草拟了“,”“。”等10种符号,这是我国标点符号之始,距今已有百余年。