他们友好地解决了他们正为之忙碌的问题 They _____ the problem that they were ______ ______ _________
问题描述：
他们友好地解决了他们正为之忙碌的问题 They _____ the problem that they were ______ ______ _________
一空一词
答
They had solved the problem that they were busy with it友好的？They solved the problem they were busy with friendly?