单项选择题
They first-year students were learning from the army in Miyun, a suburb of Beijing near （）I lived.
A. what B. where C. that D. which
单项选择题 When we reached the station the train had not arrived yet; so we （）
单项选择题 So many comrades （） , the meeting had to be put off.
单项选择题 （） could solve that problem. It's so easy.
