—How are you today?
—Oh, I as ill as I do now for a long time.
A:didn't feel
B:wasn't feeling
C:don't feel
D:haven't felt
读几种交通运输方式(铁路、公路、水运、航空)特征比较示意图,完成下面小题。图中交通运输方式搭配合理的是 ( )
日本多火山和地震的原因是( )
—I don't k____.