题目内容
8.It's polite to knock on the door before entering a room.分析 在进入房间之前,敲门是有礼貌的.
解答 答案:knock 根据before entering a room.可知是说在进入房间之前的事情.再结合首字母k,推断可知,应该是在进入房间之前,敲门是有礼貌的.敲,动词,knock.to+动词原形,故填:knock.
点评 本题主要考首字母填空,首先要根据句意,再根据首字母,推断空白处所缺的单词是什么.单词确定后,再根据人称,时态,短语,句型,语态等,确定单词的适当形式.本题主要考查动词.
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