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强调句 即刻题库 www.jike.vip 1 、 单选题 It was _____ she was sick _____ she didn’t come to attend the farewell party. A : because; why B : why; that C : since; that D : because; that 2 、 单选题 It was _____ the chief engineer came _____ we began the experiment. A : not until; that B : not until; then C : until; that D : until; when




























































