A. 整个文档 B. 一句 C. 一行 D. 一段
A. which B. where C. when D. whom
A. others B. another C. the other D. one another
A. was B. is C. will be D. should be
A. to permit B. permit C. permitted D. permitting
A. how B. when C. whether D. where
A. living B. lived C. to have lived D. to be living