—_________ do you eat dinner?
—At home. [ ]
A. When
B. How
C. Where
D. Why
答案:C
____ for its well-preserved ancient Tibetan houses, Dukezong was one of the most popular resorts in Shangri-la.
A.Knowing
B.To know
C.To be known
D.Known
频繁操作的交流接触器,应每( )进行一次检查。
A.一个月
B.半年
C.三个月
D.一年