21. A. though B. as C. while D. during 22. A. looked B. moved C. felt D. sensed 23. A. staying B. stayed C. stay D. stays 24. A. ill B. heavy C. hungry D. thirsty 25. A. breathe B. ache C. cure D. bleed 26-30. Choose the correct sentence among A, B, C or D which has the same meaning as the given one. 26. My teacher wouldn't let me leave early. A. My teacher refused to let me leave early. B. My teacher refused letting me leave early. C. My teacher allowed me to leave early. D. My teacher permitted me to leave early. 27. I've warned you not to leave the door unlocked. A. You shouldn't unlock the door. B. Leaving the door unlocked was not good. C. I'vewarned you about leaving the door unlocked. D. I told you not to lock the door. 28. It isn't necessary for you to finish the work right now. A. It is necessary for you to start the work right now. B. It isn't unnecessary for you to finish the work right now. C. You don't have to finish the work right now. D. You mustn't finish the work right now 29. The garden is too small to play football in. A. The garden is so small not to play football in. B. The garden is small enough to play football in. C. The garden isn't big enough to play football in. D. The garden is such small that they can't play football in. 30. After fighting the fire for an hour, the fire brigade succeeded in putting it out. A. The fire brigade managed to put the fire out after fighting it for an hour. B. The fire brigade couldn't put the fire out after fighting it for an hour. C The fire brigade puts the fire out after fighting it for an hour. D. The fire brigade, was unable to put the fire out after fighting it for an hour