Which of the following sentences is right?A.The school has been opened for 10 years B It is 10 years since they got married C There have had great changes in our town over the years
问题描述：
Which of the following sentences is right?
A.The school has been opened for 10 years B It is 10 years since they got married C There have had great changes in our town over the years
答
B.
A The school has been （open） for 10 years
CThere have (been) great changes in our town over the years