【简答题】A.He doesn't understand his staff. B.His computer doesn't work properly. C.He doesn't know how to apply computer theory. D.He is trouble to add the figures.
【简答题】A.He doesn't understand his staff. B.His computer doesn't work properly. C.He doesn't know how to apply computer theory. D.He is unable to add the figures.
【简答题】A.He doesn't like wearing one. B.He doesn't feel professional wearing one. C.He doesn't wear one in his department. D.He doesn't want to pay for one.