In the last few years，there________great changes in the country．
A: had been
B: were
C: have been
D: has been
A: had been
B: were
C: have been
D: has been
举一反三
- 25. In the past ten years , there great changes in our family life. A: had been B: are C: have been D: were
- In the last few years，there________great changes in the country．
- Great changes in our country since twenty years ago. A: have taken place B: have been taken place C: took place D: have been happened
- If the operation______carefully prepared，it would not have been successful. A: was not B: has not been C: had not been D: were not
- In the last ten years, there have been many changes in family life. Are these changes ______?