Many students do not like to study history (历史) . They say that there are【41】 many names and dates to【42】 . But if we do not kno

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问题     Many students do not like to study history (历史) . They say that there are【41】 many names and dates to【42】 . But if we do not know about the【43】 , we cannot understand the present well. For example, if we wish to know how men【44】 to use fire, we have to know what men did【45】 the past to travel at night or to keep themselves【46】 in cold nights. Only a study of history will make us realize (意识到)【47】 everything we do today is the result of what【48】 people did in the past.
    As we【49】 history, we learn many interesting【50】 . History helps us understand our present life better.  

选项 A、learn
B、learnt
C、was learning

答案B

解析 本题考查的是动词的时态。我们知道,人类学习使用火,是过 去发生的事情,因此,应该选用表示过去时态的动词。故B正确。
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