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l be held ( )21. In the bookshop , a reader asked the shopkeeper ______ Who Moved My Cheese was an interesting book. A. that B. how C. what D. if ( )22. You must remember _______. A. what your teacher said B. what did your teacher say C. your teacher said what D. what has your teacher said ( )23. I don”t know ______ . A. which room I can live B. which room can I live C. which room I can live in D. which room can I live in ( )24.-- Do you know when he ______ back ? -- Sorry , I don”t . When he _______back , I”ll tell you . A. es 。ve no idea. A./, bought B. has, bought C. did, buy D. did bought ( ) 15. Our homework has changed a lot. Who can tell _____ it would be like in _____ five years. A. how, another B. what, more C. how ,other D. what, another ( )16. ─ Could you tell me ______? ─ Yes. He ____ to the USA. A. where is he/ has been B. where he is/ has gone C. where was he/ has been D. where he was/ has gone ( )17. ─Mike wants to know if ____ a piic tomorrow. ─Yes. But if it _______, we39。s the matter ( )10. He asked his father _______. A. where it happens B. where did it happen C. how it happened D. how did it happen ( )11. No one tells us______, so we need your help. A. how we should do B. what should we do C. how to do it D. what to do it ( )12. Could you please teach me _______ the puter. A. how check B. to check C. how to check D. to how checking ( ) don39。t understand ______the boy alone. A. why she left B. why did she leave C. why she had left D. why had she left ( )7. She tol