2019年mpa考试英语真题——连词382

{01Jack wasn"t saying anything, but the teacher smiled at him ________ he had done something very clever.
A.as if  
B.in case
C.while  
D.though
解析：
本题选A。

{02}You may use the room as you like _____ you clean it up afterwards.  
A.o far as      
B.so long as      
C.in case        
D.even if
解析：
本题选B。