【原创】 Vehicles, coal-burning, airborne dust and industrial production ______85 to 90 percent of the major airborne pollution sources in most Chinese cities, the newest research shows.
Jack is good, hard-working and intelligent. _____, I can’t speak too highly of him.
Everyone can borrow from this public library only two books _____ and they must be returned within a month.
“Where is David?” “He is upstairs ______ ready to go out.”
Fan Bingbing is easy to recognize as she’s the only one of the women who________ the bright evening dress tonight.
The news shocked the public, to great concern about students’safey at school.