题目内容
2.Jack has a toothache,he has to see a dentist.分析 杰克牙疼,他不得不去看牙医.
解答 答案:toothache.根据"he has to see a dentist"他不得不去看牙医,因此可知他牙疼,空格前面是不定冠词a,所以空格处需要用单数名词,综上所述,故填toothache.
点评 首先要掌握句子的意思,然后结合具体的题目和首字母,就可以确定正确答案.
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