2019年mpa考试英语真题——连词327

{01}— Do you know about "Tiger Mom"?
— Yes. Her children will never be praised _____ they have done everything she requires.
A.after
B.unless
C.once
D.when
解析：
本题选B。

{02}_____ I noticed the puzzled look on his face, I realized that he didn"t understand me.
A.Although
B.When
C.Unless
D.Until
解析：
本题选B。