Question

根据括号内的提示填空

They had a rest after they worked about three hours. (改为同义句)

They stopped ________ ________ a rest after ________ about two hours.

Answer 1

答案：to;have;working
解析：

由句意“他们工作了大约3个小时后，休息了。”可知应用stop to do sth，而介词after后加动名词。