11. I told the policeman that I_______the bike unlocked.

　　A. had let B. had left C. was letting D. was leaving

　　12. There wasn‘t a single person _______at the beach.

　　A.in sight B. on sight C. seeing D. to see

　　13. The silk _______ very smooth.

　　A. is felt B.is feeling C. feels D. is being felt

　　14. Students majoring in English_______by that amusing teacher at that time.

　　A. were teaching B. were being taught

　　C. have been taught D. are being taught

　　15. Michael used to look hurt and surprised when _______ 。

　　A. scolding B. to scold C. having scolded D. scolded

　　16. I had just started back for the house to change’ my clothes_______I heard voices.

　　A.as B.when C.after D.whole

　　17. Both Tom and Mary_______the exam.

　　A. has passed B. have pase C. have passed D. had passed

　　18. She said she would stay there for_______more week.

　　A.a B.one C.another D.other

　　19. He had his bicycle _______yesterday.

　　A. repair B. repairing C. repaired D. be repaired

　　20. Could I have some milk， some orange juice， and some eggs_______？

　　A.instead of B.in addition C. as well D. so much

　　11.B 12.A 13.C 14.B  15.C 16.B 17.C 18.B 19.C 20.C