答案：生产实践活动。
A. Little they realize
B. They little do realize
C. Little realize do they
D. Little do they realize
A. away from here
B. far from here
C. far away from here
D. from here away
解析：解析:y from (离……远)
A. at prison
B. at the prison
C. in prison
D. in the prison
解析：解析:in prison 进监狱
A. The one…the other
B. One…the other
C. One…another
D. One…the another
A. oughtn＇t
B. mustn＇t
C. needn＇t
D. wouldn＇t
A. did you put…put
B. have you put…have put
C. had you put…was putting
D. had you put…have put
A. to sit
B. to sit on
C. for me to sit
D. for sitting
A. because
B. for
C. since
D. that
解析：解析:be used to doing
