Joy, what happened to the plane? It ___ at midnight, but it didn’t land on the airport on time.
Though he was badly hurt, he kept ______ other passengers.
The stone is ______ heavy ______ I can’t carry it.
The beach in Hainan is a good place for us _____.
The books in the library should ____ good care of.
I first met him a week ago while I ______ along Bridge Street.