题目
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
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
提问时间：2020-08-01
答案
B.
A The school has been （open） for 10 years
CThere have (been) great changes in our town over the years
A The school has been （open） for 10 years
CThere have (been) great changes in our town over the years
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