Watching the online open courses of some famous European and American universiti
题型：不详难度：来源：
Watching the online open courses of some famous European and American universities _______a new fashion among white collars in China over the past few months.| A．became | B．had become | C．has become | D．becomes |
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答案
| C |
解析
| 本题考查时态。根据句中时间状语over the past few months在过去的几个月，故用现在完成时态。所以选择C项。 |
举一反三
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