2019年mba考试英语模拟题——连词427

{01}— Why are you so happy? 
— It"s ______ my grandma is going to come to see me.
A.because
B.since
C.as
D.for
解析：
本题选A。

{02}— The problem is very difficult. I"m afraid you can"t work it out. 
— _____ or not I can succeed, I"ll have a try.
A.If
B.Since
C.Whether
D.As
解析：
本题选C。