Question

—Has Mary been back?
—Not yet.She will come back ________ the evening of June _______.

A．at,first

B．to,thirtieth

C．on,the twelfth

D．on,the nineteen

Answer 1

C

考查时间介词和序数词。“玛丽回来了吗？”“还没。她一月二十晚上回来。”指具体的一天或上下午、晚上用介词on，排除A、B；D项的日期没有用序数词形式。故选C。