A: left
B: leave
C: leaving
D: have left
举一反三
- Great changes _____ place since he left here. A: have been taken B: have taken C: were taken
- Great changes have taken place since you _____.
- Great changes have taken place since then in the factory_____we are working. Great changes have taken place since then in the factory_____we are working.
- Great changes (have) (taken place) (since) I (had visited) the city.() A: have B: taken place C: since D: had visited
- Great changes have taken place in China since 1977.Still changes will take place in the future.
内容
- 0
改革开放以来,中国发生了巨大的变化。 A: Great changes have been taken place in China since the introduction of the reform and opening policy. B: Great changes have taken place in China since the introduction of the reform and opening policy. C: China have taken place great changes since the introduction of the reform and opening policy. D: China has taken place great changes since the introduction of the reform and opening policy.
- 1
Great changes have taken place since then in the company _______we are working.
- 2
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
- 3
Great changes ________place in my hometown since 1988. A: have been taken B: too C: had taken D: have taken
- 4
Great changes have taken place in our school ____ you left. A: since B: until C: before D: when