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.
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＂