问题
选择题
--- Is there a primary school in your village now? --- No but there_________.
A．used
B．did
C．used to
D．used to be
答案
答案：D
考查省略。used to do过去做。there used to be =" there" used to be a primary school。句意：现在你们村那儿有一所小学吗？——没有，但那儿过去有。