未知题型 It is quite necessary for a qualified teacher to have good manners and _________ knowledge.A) extensive B) expansiveC) intensive D) expensive

未知题型 一级注册建筑师和结构师哪个好些？那个好考？

未知题型 I could not persuade him to accept it, _____ make him see the important of it.(A) if only I could not (B) no more than I could (C) or I could not (D) nor could I