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C. has been built D. is being built taking D. is being built Exercises: a mobile phone for personal use is no easy task because technology_____so rapidly. A. is changing B. has changed C. will have changed D. will change 4. Shirley ____ a book about China last year but I didn’t know whether she has finished it. A. has written B. wrote C. had written d. was writing c gi g D. Was writing Exercises: 5. __Nancy is not ing tonight. ___but she_____! (98) A. promises B. promised C. will promise D. had promised 6. ___How are you today? ___Oh, I ___as ill as I do now for a very long time. A. didn’t feel B. wasn’t C. don’t feel D. haven’t felt D. haven’t felt Exercises: 7. ___You’re drinking too much. ____Only at home. No one ____me but you. A. is seeing B. had seen C. sees D. saw (2020) 8. __Hey, look where you are going? ___Oh, I’m terribly A. I’m not noticing B. I wasn’t noticing C. I haven’t noticed D. I don’t notice (99) C. s . I sn’t tici