Not until the train pulled into the next station ______ that his briefcase had gone.
. The book, _______ is blue, is mine.
Paul didn’t want to put on the coat. He said that he _________ by his friends.
Philips openly admitted __________ an alcohol (酒精) problem and he was not admitted __________ the drivers’ club.
I have never dreamed of _______ for me to win the first prize in the 1000-meter race.
— Why does the river smell terrible? — Because large quantities of polluted water _______ into it.