2019年mpacc考试英语真题——连词681

{01}_____ days went by, he didn"t succeed in anything he had planned.  
A.With    
B.When              
C.As          
D.While
解析：
本题选C。

{02}________ we started thinking and believing we could do it, anything was possible.
A.As  
B.While
C.Until  
D.Once
解析：
本题选D。