10yearsago，

问题详情：

 10 years ago， _________ only one classroom building in our school. And in 10 years， _________ five classroom buildings in our school.                                

A. there will be, there are            B. there was, there will be           

C. there will be; there was           D. there was, there are   

【回答】

B

知识点：动词时态

题型：选择题