问题
选择题
I had wanted to help you last night but I couldn’t spare any time, for I ______ a composition which I have to hand in this morning.
A．wrote
B．was writing
C．had written
D．have written
答案
答案：B
考查时态。根据句中的时间状语in this morning，故用过去进行时表示过去的将来，选B。