Great changes ______in the past 20 years.
A: took place
B: akes place
C: are taken place
D: is taken place
A: took place
B: akes place
C: are taken place
D: is taken place
举一反三
- 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
- 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 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 ten years in China. A: took place B: have taken place C: were taking place D: had taken place
- In the past 30 years, great changes ___(take place) in our country. A: took place B: take place C: have taken place D: were taking place.