子女长大了，有了独立自主的权利，父母亲再没有任何管我们的权利。[ ]
×
若一个菱形的一条边长为4cm，则这个菱形的周长为（ ）
A．20cm
B．18cm
C．16cm
D．12cm
---Pardon? I didn’t hear you just now.
---I asked .
that Michelle Obama came to China in March
how long did Michelle Obama stay in China
when did Michelle Obama visit Chengdu
who Michelle Obama came to China with
