题目内容
20.-Have you decided already?-Yes,I _____ at once then.( )
A. | decided | B. | will decide | C. | have decided | D. | had decided |
分析 ---你已经决定了吗?---是的,我当时马上就决定了.
解答 答案:A
根据句中的时间状语 then"当时"可知,此处回答的是"当时"的情况,故应使用一般过去时;这里不能选C.现在完成时,首先是因为句中有明显的表示过去的时间状语then,其次是因为现在完成时表示的是过去的动作或状态持续到了现在,而此处表示过去发生而且已经结束的动作;故选A
点评 本题考查了一般过去时的用法.做本题时,首先应根据句中的时间状语,判断出本句应使用一般过去时;其次应熟练掌握一般过去时的意义及用法;还应注意总结一般过去时与现在完成时的区别.
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