--- Did you telephone Uncle Sam our plan for the Christmas holidays on his farm?
--- Yes, he was happy about our arrival, and he eagerly asked when .
A. has we arrived
B. we had arrived
C. were we arriving
D. we were arriving
网友回答
A. has we arrived
B. we had arrived
C. were we arriving
(答案→)D. we were arriving
解析：考查时态。句意：——你打了电话给Sam大叔告诉他我们会到他的农场过圣诞节的计划吗？——是的，他很高兴我们会去，并且急切的问我们什么时候会到。从动词was 及asked信息词可知与过去有关，排除答案A，而且根据语境是指从那时来看，将要发生的事情，故选用过去将来时。