50．--How's the w________ there?

--It's windy．

49．The beef is very c________．It's only 12 Yuan a kilo．

48．Pandas，lions and tigers are all a________．

47．People usually wear sweaters in winter and T-shirts in s________．

46．The street is not clean．It's d________．

45．Tom ________(会)swim．

44．I have ________(四十)English books．

43．Jane is Mr. Green’s ________(女儿)．

42．Look at these ________(照片)．They are Lily's．

41．________(有)is an egg in the box．