I don’t know whether you happen ____ that he has been away for two months.
Yang Liwei is regarded as our national hero,who is________.
To all the people here________ the honour for the other day.
This road is not in a good state;you know,it wasn’t ________ for such heavy traffic 10 years ago.
To________ the long bitter winter,Soppy had tried many ways to get himself arrested by the police,but all in vain.
The biggest whale is ________ blue whale,which grows to be about 29 meters long—the height of ________ 9story building.