(2011 • 哈尔滨三中10月测试)Please keep us ______
问题:
(2011 • 哈尔滨三中10月测试)Please keep us __________ of any change of your address as soon as possible.
A.informing
B.informed
C.being informed
D.to inform
(2011 • 哈尔滨三中10月测试)Please keep us __________ of any change of your address as soon as possible.
A.informing
B.informed
C.being informed
D.to inform