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20. When the students………….the bell, they……….up and………………

a. heard/got/leave              b. hear/got/left             c. heard/got/left        d. heard/get/left

21. He ……………….nothing before he………me.

a. have done/saw               b. was doing/ saw       c. has done/saw         d. had done/saw

22. After they ………….we……….down and……………

a. had gone/sat/rested                                b. have gone/sat/rested     

c. had gone/sit/rested                                d. had gone/had sat/rested.

23. He………..me for what I…………..for his parents.

a. thanked/ had done         b. thanked/will do       c. thanks/ had done   d. thanking/had done

24. My friend………..me for many years when I ……………him last.

a. haven’t seen/ met          b. hadn’t seen/ met      c. hadn’t seen/meet   d. didn’t see/ met.

25. She………..that she already……………Dr Kenly.

a. said/had{already} seen                         b. says/ had{already} see

c. had said/ saw                                         d. said/will see.

26. They ……….him they………..him before.

a. told/ hasn’t met             b. told/ hadn’t met      c. tell/ hadn’t met      d. will tell/hadn’t met

27. The little girl……………what………..to her ice- cream.

a. asked/ had happened     b. asks/ had happened c. asked/ happens      d. asked/will happen