263.The parents was warned ____oily food after the operation.

　　　 A. to eat not　 B. eating not　 C. not to eat　 D. not eating　　　

262.---You were brave enough to raise objections at the meeting.

　　 ---Well, now I regret ____that .　　　　　　　　　　　　　　

　　　 A. to do　 B. to be doing　 C. to have done　 D. having done　

261.We agreed ___here but so far she hasn’t turned up yet.

A.　 having met　 B. meeting　 C. to meet　 D. to have met　　　

260.The first textbooks _____ for teaching English as a foreign language came out in the 18^thcentury.

　　　 A. having written　 B. to be written C. being written　 D. written　

259.The visiting Minister expressed his satisfaction with the talks, ___that he had enjoyed his stay here.

　　　 A. having added　 B. to add　 C. adding　 D. added　　　　

258.The missing boys were last seen_____.

　　　 A. playing　　 B. to be playing　 C. play　 D. to play　　　

257.Rather than ___on a crowded bus, he always prefers ___a bicycle.

　　　 A. ride; ride　 B. riding; ride C. ride; to ride　 D. to ride; riding　

256.---I must apologize for ____ahead of time.

　　 ---That’s all right.

A.　　　 letting you not know　　　 B. not letting you know

C. letting you know not　　　 D. letting not you know

255.She set out soon after dark ___home.

　　　 A. arriving　 B. to arrive　 C. having arrived　 D. and arrived

254. The work _____, John went to see a film.

　　　 A. done　 B. doing　 C. to be done　 D. to do