36.　 Sally had no pen ____ yesterday morning.

　 A. to write　 B. to write with　 C. writing　 D. writing with

35. Please keep quiet. Father is busy ________.

　　 A. work　　　　　　　　　　 B. to work 　　　　　　　　 C. working　　　　　　　　 D. works

34. I saw him ________ into your room when you were not in.

A. gone　　　　　　　　　　　　　　 B. going　　　　　　　　　　 C. went　　　　　　　　　　　　　 D. to go　

33. In the morning she found her father _____________ in bed , dead .

　　 A. lying　　　　　　　　　　 B. lie　　　　　　　　　　 C. lay　　　　　　　　　　　　　 D. laying

32. Look around when __________ the street .

　　 A. across　　　　　　　　　 B. crossing　　　　　 C. crossed　　　　　　　　　 D. to be crossing

31. The food was delicious . That was a __________ meal .

　　 A. satisfying　　　　　　　 B. satisfied　　　　　 C. satisfaction　　　　　　 　 D. satisfy

30. Don’t have the machine ________ all the time . It will go wrong .

　　 A. to run　　　　　　　　　　 B. running　　　　　 C. been run　　　　 　 D. run

29. The secretary worked late into the night , ________ a long speech for the president .

　　 A. to prepare　　　　　　 B. preparing　　　　 C. prepared　　　　　　　　 D. was preparing

28．I regretted _____ that to her. 　A. having said B. to have said　　　　　　　 C. to say　 D. /

27．He had no difficulty _____ the problems. 　A. working out　 B. having worked out　　　 C. to have worked out　　　 D. to work out