A:when; had come
B:that; have bee
C:when; came
D:that; had bee
鲸____ 蝙蝠 ____ 蚯蚓____ 袋鼠____
A.跳跃 B.游泳 C.飞行 D.蠕动
下图属于以下哪个地区的民居景观
仿写短语至少4个
例:默默地挖着
____ ____ ____ ____
分式1x-1有意义,则x的取值范围是( )