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er D. before 14. Let’s _____ the instructions. A. look out B. look up C. look down D. look at 15. I’ve waited ______ the bus for 20minutes, but it hasn’t arrived yet. A. to B. for C. on D. with 16. I’ll tell you if he______ back. A. es B. ing C. e D. to e 17. Connect the keyboard ______ the puter. A. with B. on C. to D. in 18. Why is it best ______ it on your puter? A. to save B. saving C. saved D. save 19. If you want to choose another _________, press the key. A. programmer B. programmes C. a programmer D. the programmer 20. Can you show me the ______ of how to use it? A. invention B. invitation C. information D. instructions 二 . 選擇正確的詞或詞組的正確形式填空 (10分 ) connect….to , turn on , copy, kind of, save one’s life , climb out of, memory, record, e on , choose 1. The mobile phone always has a small ___________________. 2. If you want to save your video, _______________your camera __________your puter. 3. The boy fell into the river. Luckily, a kind worker _________________________. 4. If th