分类：教育/科学-学习帮助
问题：选择所给词并用适当的形式填空2.incitiesteachers 
2. in cies teachers often take part in after-work ________(train), but in some far-away places there aren't enough _________(train) teachers.
回答：in cities teachers often take part in after-work ____training____(train), but in some far-away places there aren't enough ______trained___(train) teachers. 

training--动名词做宾语
＂
trained_－－－做定语，被培训的／培训过的，修饰后面的＂老师＂