________ super hurricane of Sandy, sweeping across the USA and many parts of America, has up to now caused ________ loss of over 50 billion dollars to the USA alone.
He told me that he had mailed part of the samples样本 and that the rest _____ in a few days.
He will give us a report on how to study English well, but when and where ________.
We should work together to build a society for kids, ________free from war and violence.
He slipped(溜进) into the classroom without ___________.
This special strain of rice makes _________ possible to produce one third more of the crop in the same fields.