A:become
B:tur
C:get
D:grow
在每个小正方形的边长为1的网格中.点A,B,D均在格点上,点E、F分别为线段BC、DB上的动点,且BE=DF.
John ________ play the guitar, but he wants to join the guitar club.
句型转换
观察肿瘤切片,下列有关其中细胞的叙述中,正确的是