________ work has been done to improve the people’s living standard.
—Late again! Where _____? —Sony, I in the heavy traffic, or I would have been here earlier.
—Do you know why the teacher asks for me? —He wants you to _____ your absence last night.
—What does the sign over there read? —"No person smoke or carry a lighted cigarette, cigar or pipe in this area."
—Is that Dec.21,2012 is the end of the world true? —Definitely not, but ______ must be paid to global climate change.
We stayed in a quiet hotel,___.