As we all know, every minute _____ full use of ____ our lessons will do good to us students.
—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,___.
—Tire patient looks much better._____ is it that has made him _____ he is today? —Perhaps the special medicine and his family’s patient care.
Arriving in the deep night, we found there was no food _____ as all the shops were shut.