问题
选择题
—— What happened to the young trees we planted?
—— The trees＿＿＿＿＿＿well, but I didn’t water them.
A．might grow
B．needn’t have grown
C．would grow
D．would have grown
答案
答案：D
would have done表示对过去已发生的事情的推测，表示“可能……”。