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1. She has set a new record, that is, the sales of her latest book ________ 50 million. A. have reached B. has reached C. are reaching D. had reached 2. He kept looking at her, wondering whether he ________ her somewhere. A. saw B. has seen C. sees D. had seen 3. The crazy fans ________ patiently for two hours and they would wait till the movie star arrived. A. were waiting B. had been waiting C. had waited D. would wait 4. She ________ her hairstyle in her hometown before she came to Chongqing for a better job. A. would change B. has changed C. changed D. was changing 5. The first use of atomic weapons was in 1945, and their power ________ increased enormously ever since. A. is B. was C. has been D. had been | 
