He smiled politely ________ Mary apologi
题型:选择题
问题:
He smiled politely ________ Mary apologized for her drunken friends.(2012·山东)
A.as
B.if
C.unless
D.though
He smiled politely ________ Mary apologized for her drunken friends.(2012·山东)
A.as
B.if
C.unless
D.though