The church, which ____ back to the 17th century, is undergoing a complete restoration.
AIDS is said________the biggest challenge to both men and women in that area over the past few years.
—It's reported that there is ________ big breakthrough in the cancer treatment.—If only my wife could be brought back to ________ life.
Long marks on the street ________ that the driver had attempted to brake.
When the headmaster spoke out his plan, the ________ of the students in the class ________ against it.
________ my teacher couldn't understand was ________ fewer and fewer middle school students showed interest in her lessons.