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(单选题)It was difficult for her to learn English well in a family, (单选题)Never ______ such a splendid building. I’m shocked. (单选题)No sooner had they got there ______ it became dark. (单选题)Can you get the work ______ on time? (单选题)It was his mother ______ made a promise to send her son to t (单选题)There is a desk ______ the classroom. (单选题)They have already been in Beijing ______ 10 years. (单选题)She had done ______ to improve her English, but she still fa (单选题)A: How can I speak English ______ you?B: You’d better practi (单选题)China has a ______ population and long history.