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The fact has worried the people across the world ___________ the earth is becoming warmer and warmer these years.

_____ in the regulations that you should not tell other people the password.

It wasn’t until he came back _____ he knew the police were looking for him.

The police are looking for a missing boy who is believed ______ a white pullover and blue jeans.

She _____volleyball regularly for many years when she was young.

______the telephone number several times, but he couldn’t learn it by heart.
A Having been told    B. He had been told .   C. Although he had been told.   D. Having told

The situation at Omaha Beach was so bad _______ the soldiers succeeded in
landing on the beach with a lot of people losing their lives.

The E-mail Jack had looked forward to ______ last night at last and he was very happy.

Every time_____they met, they would talk several hours together about all of the situations_____ appear in the working world.

One learns a knowledge by making mistakes and ______ them.