He served in the army in        when he was in        .

People live a hard life        .

During the May Day holiday, we stayed in a mountain village with       trees around.

—I’m going to take this summer holiday in Taiwan.
—Oh, really? Taiwan is         a beautiful island that         people in Guangdong go to visit it every year.

—“Food Safety” has become one of the hottest topics recently.
—Yeah, it receives         Internet hits(点击) a day.