The speaker is giving rather an________ speech, as I can judge from the________ look of all the listeners. 

The more often one takes exercise, ______ he or she will become. 

For our middle school students, some courses are compulsory, while others are ________.

 The building is _____.

（2014年福州市高三适应性练习）27. — What are these housewives talking about? — They are discussing whether men are actually ____ to housework or just too lazy.