题目内容
5.His leg is seriously injured in the accident. a doctor at once.( )| A. | Ask for | B. | Send for | C. | Wait for | D. | Look for |
分析 他的腿在事故中受了重伤.赶快请医生来.
解答 答案:B.
根据…a doctor at once,结合选项可知意思是赶快请医生来.这里动词位于句首表示一种请求或命令,可知句子是一个肯定祈使句,其构成是:动词原形+其他;ask for"要求",send for"派人去请",wait for"等",look for"寻找",在这里应该说派人去请医生.故选B.
点评 在学习中熟练掌握知识点,做题时先找出考点(祈使句),根据它的构成结构(动词原形开头)结合语境来选出正确的答案.
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