题目内容
18.My mother usually dances for half an hour every day (对划线部分提问)Howlongdoesyour mother usually dance every day?
分析 我妈妈每天通常跳舞半小时.
解答 答案:How long does 句子中for half an hour表示一段时间,疑问词组应该用how long,多长时间,后接一般疑问句,句子中dances为第三人称单数形式,可知这里助动词要用does,故填:How long does.
点评 做这类题型,首先理解整个句子的含义,然后根据划线部分,选择合适的疑问词或疑问词组.
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