As I’ll be away for at least a year, I’d appreciate from you now and then telling me how everyone is getting along.
A. hearing
B. to hear
C. to be hearing
D. having heard
网友回答
(答案→)A. hearing
B. to hear
C. to be hearing
D. having heard
解析：appreciate后可接名词或动名词；动名词一般式表示现在或将来要发生的行为动作，而完成式表示过去已经发生的行为动作。本题中的hear from的行为尚未发生，故选A。