One reason for Mary's preference for this senior high school is _____ she can have access to outstanding teachers and plentiful learning resources.
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A. why B. how C. what D. that
参考答案:
They hurried to the train station, _____ it was too late. T..
They hurried to the train station, _____ it was too late. They had to wait another ten minutes. [ ]A. but B. soC. and D. or