Since he left the University， he （） in an accounting company.

单项选择题Lisawasbusytakingnotes（）MarkwassearchingtheInternetforinformation.

A.until         
B.unless    
C.while     
D.if

单项选择题I’dratheryou（）anythingaboutitforthetimebeing.

A.don’t do        
B.don’t       
C.didn’t so   
D.didn’t