A $1000 ____will be offered to anyone who helps to return the lost jewel .
There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
I ______ have been more than six years old when the accident happened.
--Where have you been? --I in the heavy traffic. Otherwise I here earlier.
I forget where I read the article, or I _____ it to you now.