Cheer up, Maria! You can also enjoy _____ you have been dreaming of, if you don’t lose heart.
Scientists have created the world’s smallest "snowman",_____ about a fifth of the width of a human hair.
—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.