Is that Dec.21,2012 is the end of the world true?—Definitely not，but ________ must be paid to global climate change

Did Jim come?—I don’t know. He _______ while I was out.

eory was attacked when it wasfirst , but gradually it was accepted

Suddenly, a tall man driving a golden carriage ________ the girl and took her away,_______ into the woods.[ ]

rowed 10 dollars from Cathy, butshe insisted that I borrowed 15 dollars from her.— I ______ you the money. Why didn’t youask me