2019年mba考试英语模拟题——连词823

{01}She is very hard-working, _____ he is very lazy.
A.when        
B.that        
C. which      
D.while
解析：
本题选D。

{02}A good idea occurred to Mr. Baker________ to his invention recently. 
A.while applying
B.while applied
C.while he was applying himself
D.while applying himself
解析：
本题选C。