— We haven't been to the Great Wall for ages. — No, I don't remember how many years ago _______ I last visited it.
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.
Xi’an was the last city ______ he visited when he came to China.