题目内容
18.We ______________ young trees on the hill every year.( )| A. | are planting | B. | plant | C. | planted | D. | will plant |
分析 我们每年在山上种树.
解答 答案:B.结合every day表示经常性的动作,故用一般现在时,主语we是复数,故plant,故答案是B.
点评 一般现在时:表示经常性的事情,经常性的动作或一般性事实.
时间状语:often 经常,usually通常,always 总是,every每个,sometimes 有时,at …在几点钟
只有在第三人称单数用动词的"三单变化",其他用动词的原形.
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