问题
选择题
Ten years ago _______ only one building in our school. And in 10 years, _______ five buildings in our school.
A．there will be; there are
B．there was; there are
C．there was; there will be
D．there will be; there was
答案
答案：C
本题根据相应的时间状语，分别选择there be 的过去式，和将来时，故选C