题目内容
13．The teachers write on the blackboard with chalk．分析 老师们用粉笔在黑板上写字．
解答 答案：chalk．
根据"The teachers write on the blackboard"老师们在黑板上写字，结合给出的首字母c，可知老师们用粉笔在黑板上写字，故填名词chalk．
点评 首先要掌握句子的意思，然后结合具体的题目以及首字母提示，就可以确定正确答案．
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