Great changes___________20 years ago.
A: took place
B: takes place
C: are taken place
D: is taken place
A: took place
B: takes place
C: are taken place
D: is taken place
举一反三
- Great changes ______ in our home country over years ago. A: had taken place B: took place C: have taken place D: were taken place
- Great changes ______in the past 20 years. A: took place B: akes place C: are taken place D: is taken place
- 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
- In the past so years, great changes ____ in China. A: take place B: took place C: have taken place D: are taking place
- Great changes ______ in China in the past twenty years. A: have taken place B: took place C: were taken place D: have been taken place