题目内容
3．Dad，you have worked for three hours．Stop and have a rest，please．（ ）| A． | to work | B． | working | C． | work | D． | works |
分析 爸爸，你已经工作了三个小时了．请停下工作，休息一下．
解答 答案：B．
根据Stop and have a rest，please，可知这里考查了stop的用法：stop doing指停止正在做的事 stop to do指停下去做另一件事．根据you have worked for three hours，可知已经工作了三个小时了，所以应该是停止工作．and表并列，指两个不同的动作．故选B．
点评 本题考查了非谓语动词的用法．解答时注意：stop doing指停止正在做的事 stop to do指停下去做某事．
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