Ⅰ. 单项选择（20分）
1. ______ the second photo, I’m having ______ dinner with my family.
A. In; a B. On; / C. In; / D. On; the
【解析】选C。在照片中，用介词in; have dinner“吃晚饭”，三餐前面不用冠词。
2. —What ______ you ______ ?
—I’m watching a soccer game.
A. do; do B. do; doing
C. are; do D. are; doing
【解析】选D。由答语可知问句应用现在进行时，其结构为：主语+be+doing, 在问句中应提前be动词，故选D。
3. —Where are they shopping?
—At the ______ .
A. library B. mall C. pool D. station
