一对正常夫妇生了一个患白化病的男孩,再生一个白化病男孩的概率是 [ ]
A.12.5%
B.25%
C.37.5%
D.75%
答案:A
Put the ingredients in the bowl and _________ , please.
A. mix up it
B. mix it up
C. mix up them
D.mix them up
Linda failed in the driving test.______, she doesn’t lose heart.
A.Still
B.However
C.So
D.Though