单项选择题
The earth revolves a little more rapidly （） it is closer to the sun.
A. whether B. whereas C. although D. when
单项选择题 "Can you ask your neighbors for help" "I'm afraid not. I （） know any of them."
单项选择题 The disabled children need many things, but（）, they need love.
单项选择题 The residents, （） had been damaged by the fire, were given help by the Read Cross.
