16._____ from the top of the tower ,the south foot of the mountain is a sea of trees .(A)Seen (B)See
18.It never occurred to me _____ you could succeed in persuading him to change his mind.(A)which (B)
19. His first book next month is based on a true story.(A) published (B) to be published (C) to publ
20. John thinks it won’t be long he is ready for his new job.(A) when (B) after (C) before (D) since
21. I have to see the doctor because I a lot lately.(A) have been coughing (B) had coughed(C) coughe
22. Studies show that people are more to suffer from back problems if they always sit before compute
23. May I take this book out of the reading room?No,you . You read it in here.(A) mightn’t (B) won’t
24. It is reported that many a new house at present in the disater area.(A) are being built (B) were
25. What a fine day! Shall we go picnicking?. But we need to be home before six o’clock for the foot