动词的时态语态
John has gone to Shanghai, but I'm wondering why he ---in such ahurry.
A left B has left C leaves D was leaving
He feels that his health---owing to---a long walk every other day.
A is improving ,talkingB has been improved,being taken C improved,taken D is improving,have taken
No sound ahd no voice---for a long while.
A have heared B has heared C have beeb hearedD has been heared