The teacher.with 6 girls and 8 boys of her class. visiting a museum when the ear
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The teacher，with 6 girls and 8 boys of her class，________ visiting a museum when the earthquake struck.
A．was B．were C．had been D．would be
试题答案
A
因为句子的主语是the teacher，谓语动词用单数形式，又因时间状语when the earthquake struck为一般过去时，所以判定选A。在此was visiting...when...表示“正在……这时……”。