American women usually identify their best friends as someone _______ they can talk frequently.
A:who
B:as
C:about which
D:with whom
下图为四个地区气候资料图,据图完成下列各题。
《鸟儿的侦察报告》以____的形式,通过____,反映了____的状况,呼吁人们____。
北宋为了把地方财赋收归中央,设置( )
It's time to go to school.