How much is the petrolper liter today? —Oh, 6.00 yuanIt ______ sharply since last month

The house price is going up _______.

The hero’s sacrifices for the county were never officially ______, which made all of us feel discouraged.

______ do you study for tests —I study_____listening to tapes.

This woman likes finding fault ________ others ________ the spot.[ ]