1. I bought plenty of material for the dross and Jacket I'm making becausebI’m not certain exactly……….. I will need. A. how many B. how long C. how often D. how much 12. It is generally acknowledged …………… smoking can cuuse cancer. A. that B. what C. which D. when 3. Many psychological problems experienced during the Vietnam War by American soldiers were caused by the fact that muny young men were not sure exactly …………… they wore fighting for. A. why B. how C. where D. what 4. I can’t remember……………stitches I have cast on my knitting needles. I’ll have to count them again. A. how much B. how long C. how many D. how far 5. Can you tell me……………is responsible for ordering stationery? We need some more envelopes in our department. A. whose B. when C. where D. who 6. I might be able to tell you……………road to take if I knew …………… on the map we are now. A. where - when B. what - how C. which - where D. whose - when 7. ……………we drive over the Thames River in London, my father points out that my grandfather helped design the bridge. A. Whenever B. Wherever C. However D. Whatever 8. The guy from their service department showed me……………to operate the machine, but I don’t remember……………this knob is for. A. why - which B. how - what C. whom - when D. when - how 9. …………. of these diets you follow to lose weight, you should combine it with some exercise. A. Whatever B. Whenever C. Whomever D. Whichever 10. When you buy quality tweed fabric, it is important to know……………it was made as only on the islands of the Outer Hebrides is it still made by hand. A. when B. whom C. where D. what 11. May I ask……………climbing ropes these are? A. who B. whom C. why D. whose 12. Her career was all……………she cared about,……………made her so successful. A. what - which B. what - that C. that - that D. that - which 13. The swimming-pool near our house opens in June, so after that we can go swimming……………we like. A. wherever B. whenever C. whichever D. however 14. Look at that ugly building!……………designed it has no taste at all. A. Whoever B. Whenever C. Wherever D. Whatever 15. Good luck for the future! I wish you happiness in……………you decide to do. A. however B. whenever C. whatever D. wherever 16. I couldn't believe……………it took them to process my application. A. how much B. how long C. where D. how many 17. I’m sure you will do well,……………university you decide to go to. A. whenever B. however C. wherever D. whichever 18. We didn’t notice……………we had strayed off the path until we were deep in the forest. A. how long B. so far C. how far D. so long 19. It’s going to be a long journey,……………we travel, because we can only take the plane as far as the nearest airport, which is more than 200 miles away from the area, and then we will have to take the coach. A. how far B. however C. how long D. how much 20. Why don’t you ask Auntie Doris? I’m sure she’ll know……………to make an apple pie. A. what B. which C. why D. how 21. I don’t know……………money to take on holiday with me because this is my first holiday abroad. A. how much B. whatever C. however D. how many 22.…………… you are going on holiday is probably the best place to go in Vietnam at this time of year. A. When B. Which C. Where D. What 23. It’s not clear……………he is going to leave his house to in his will. A. whom B. which C. what D. that 24. He hasn’t explained to us yet……………he sacked the secretary. A. how long B. why C. what D. how often 25. ……………she wrote in reply to my question about her charity work was the most touching account I have ever read. A. Why B. How C. What D. When