So far, we           3000 English words.A.learnedB.have learnedC.studiedD.learn

So far, we           3000 English words.A.learnedB.have learnedC.studiedD.learn

题型:不详难度:来源:
So far, we           3000 English words.
A.learnedB.have learnedC.studiedD.learn

答案
B
解析

试题分析:句意:到目前为止,我们已经学会了3000个英语单词。结合语境可知本句描述的是现在已经完成的动作,故用现在完成时态。选B。
点评:英语中的时态主要是借助于时间状语与上下文语境来进行判断。解答此类题型,首先要注意句子中的时间状语,如果没有则要通过分析上下文,结合语境来判断句子的时态。
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