2019年mpacc考试英语真题——连词668

{01}I didn"t manage to do it ________ you had explained how.
[      ]
A.until  
B.unless
C.when  
D.before
解析：
本题选A。

{02}Tim is in good shape physically ________ he doesn"t get much exercise.
A.if  
B.even though
C.unless  
D.as long as
解析：
本题选B。