Over the past few months,Chinese COVID vaccines (疫苗) ________ in many other countries.

3.Over the past few months,Chinese COVID vaccines (疫苗) ________ in many other countries.
A.have arrived B.arrived
C.will arrive D.had arrived
分析】在过去的几个月里,中国的冠状病毒疫苗到达了许多其他国家,
解答】Over the past few months,在过去的几个月里,要用于现在完成时态,用have/has+过去分词。vaccines 要用have。
故选:A。
【点评】主要考查的是对句子意思的理解和对现在完成时态的掌握。
 
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