单项选择 适中0.65 引用1 组卷200
The number of companies selling computers since January 2012.
| A．are dropping | B．is dropping | C．have dropped | D．has dropped |
23-24高二下·天津滨海新·阶段练习
类题推荐
In the past few years, great changes ________ in my hometown.
| A．have taken place | B．took place |
| C．have been taken place | D．were taken place |
I ________ many interesting lectures since I came to this school.
| A．attended | B．had attended |
| C．am attending | D．have attended |
I am glad to tell you about the great changes that _________ in our town since 10 years ago.
| A．were taken place | B．took place |
| C．have taken place | D．have been taken place |
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