题目内容
20.The flowers ________ well if they ________.( )| A. | won't grow,don't take good care of | |
| B. | won't grow,are not taken good care of | |
| C. | don't grow,are taken good care of | |
| D. | don't grow,don't take good care of |
分析 如果不好好照顾那些花,它们不会长的.
解答 答案:B.
据语境可知复合句的意思是"如果不好好照顾那些花,它们不会长的.",句子中if的意思为"如果"引导条件状语从句,在时态上,遵循"主将从现"的原则,即:主句用一般将来时,if从句用一般现在时表示将来.由此排除选项C和D,从句中,主语they是动作take care of的承受者,所以用被动语态,一般现在时被动语态的构成是:主语+am/is/are+动词的过去分词,主语是they,be动词用are,故答案为B
点评 联系前后语境,在准确把握前后句关系的基础上,先推测出大体句意;再结合关键词利用其固定用法选出正确答案.
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