2019年mpa考试英语真题——连词547

{01}He was about halfway through his meal _____ a familiar voice came to his ears.
A.why
B.where
C.when
D.while
解析：
本题选C。

{02}— I can"t remember the English words I learnt yesterday.
— You know, the newly learnt words will soon be forgotten _____ frequently used in everyday communication.
A.if
B.unless
C.when
D.till
解析：
本题选B。