A：where is his mother
B：where his mother is
C：where was his mother
D：where his mother was
下列对于调控城市空间形态发展的认识，不正确的是( )
我国下列省级行政区中，有两个简称是（ ）
在一次讨论中，同学们就“各尽其能，发挥所长，奉献集体”纷纷发表了自己的看法。下列说法中正确的是（ ）
