1. _______ evidence indicates that acid rain is damaging historic sites in many parts of this developing country. A. Many B. Little C. Tentative D. Mounting
2. He tried to hide his ______ patch by sweeping his hair over to one side. A. Barren B. Bare C. Bald D. bleak
【考博英语句子改错】 Human being have thirty-three or thirty-four vertebrae, but a snake may have as many as three hundred.