(94)1.-- 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
(94)2.The missing boys were last seen ___ near the river.
         A.playing
         B.to be playing
         C.play
         D.to play 
(94)3.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
(94)4.The first textbooks ___ for teaching English as a foreign
         language came out in the 16th century.
         A.having written
         B.to be written
         C.being written
         D.written
(95)5.-- 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
(95)6.Paul doesn't have to be made ___. He always works hard.
         A.learn
         B.to learn
         C.learned
         D.learning
(95)7.We agreed ___ here but so far she hasn't turned up yet.
         A.having met
         B.meeting
         C.to meet
         D.to have met
(96)8.The patient was warned ___ oily food after the operation.
         A.to eat not
         B.eating not
         C.not to eat
         D.not eating
(96)9.___ in thought, he almost ran into the car in front of him.
         A.Losing
         B.Having lost
         C.Lost
         D.To lose


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