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—Won’t you go to the football tonight?

—________.I might stay at home watching it live on TV instead.

Driving on the road, drivers do ______ the traffic rules, which is responsible for themselves

as well as others.

My grandfather is always thinking for others. In another word, he is always ________.

The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

Tom as well as two of his classmates _____ invited to the party.

Learning English means _________ memorizing a huge lot of words．It involves a large amount of reading as well．

________by a group of children，the old man was delighted.

At the railway station，the mother waved goodbye to her daughter until the train was________.

The conference has been held to discuss the ________of global warming on people’s lives all over the world.

Though we spent a lot, we think it _____ because we succeeded in the end.