问题
选择题
. --- Did you often e-mail your family during the first year at university?
--- No. I was so busy meeting new people that I didn’t write to my family as I _____.
A．ought to
B．should do
C．should have written
D．should have
答案
答案：D
本题两句话全部使用过去时态，因此空白处的动作也应发生在过去。我们将句子还原后，就是I should have written to my family。should have written to my family省略时只用should have