单项选择题
A. being crossed B. having crossed C. crossed D. to be crossed
Tom is the man who always does （） best even in the most...
单项选择题Tom is the man who always does （） best even in the most difficult situation.
A. one's B. your C. their D. his
The earth revolves a little more rapidly （） it is close...
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
"Can you ask your neighbors for help" "I'm afraid not....
单项选择题"Can you ask your neighbors for help" "I'm afraid not. I （） know any of them."
A. hardly B. just C. seldom D. only
