— Did you have a good time last Friday?
— Yes, I did. I really it.
A:hated
B:enjoy
C:forgot
D:enjoyed
美洲面积最大的国家是( )
白化病是隐性致病基因(b)控制的,肤色正常的夫妇生了一个白化病的孩子,这对夫妇的基因组成是 ( )。