2019年mpa考试英语真题——连词471

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

{02}If you are traveling _____ the customs are really foreign to your own, please do as the Romans do ?
A.in which
B.what
C.when
D.where
解析：
本题选D。