1. 五：四、Teaching Troubles: | 能正确地听说读写句: What does it meam? It means you shouldn't ... | 五、Teaching Aid:
1. Some students went so far as to recommend the university's English Department offer Zhang a position as a teaching aid.
2. The volunteers also have to promote local legal aid development by teaching local people to join in legal aid.
noun
1. materials and equipment used in teaching