Choose the word or phrase that best completes each sentence below. 21. These two novels are both very interesting.______ one should I buy? A. What B. Which C. Where D. Who 22. _________ it rains a lot in winter, I still love walking the dog in the park in this season. A. Because B. As C. Although D. However 23. Excuse me, ______ is the staff room? I want to speak to Miss Lily. A. When B. What C. Which D. Where 24. You'd better take an umbrella ________ it is going to rain. A. so B. because. C. although D. and 25. ________ do you go to school? - Five days a week. A. How often B. How much C. How many D. How long 26. George didn't want to get up late, ____ he set the alarm clock to go off at 6.30. A. but B. and C. so D. for 27. __________ do you look like the most in your family? A. Which B. Who C. What D. Where 28. I was crossing the road _________ the bus arrived at the station. A. while B. because C. when D. as long as 29. ____ of your classmates are going camping with you? A. How often B. How much C. How many D. How old 30. The car is very old, __________ it is reliable A. but B. and C. so D. because