I _______ my mother and I _______ her very much.
A:like; like
B:am like; likes
C:look like; am like
D:am like; like
20世纪20年代德国与法国的疆界发生了明显变化,其直接依据是( )
基因分离规律的实质是( )
请选出下列句子中标点使用有误的一项( )