问题补充:
33. -- Mr. Black, this is our language lab. Would you like to go in and have a look?
-- OK..
A. Help yourself
B. This way, please
C. Follow me
D. After you
答案:
A. Help yourself
B. This way, please
C. Follow me
(答案→)D. After you
解析:可联系答.案.网客服索取。