The radio （）by my son just now.

单项选择题ThefoodthatMarkiscookinginthekitchen（）delicious.

A.smells          
B.is smelling    
C.has smelled       
D.has been smelling

单项选择题Theygotthere（）weby20minutes.

A.more early as       
B.earlier than    
C.as early as        
D.more earlier than