在“干戈未靖，乡村尚淹”中，“靖”之义为（）
A.清
B.静
C.安定
D.松弛
参考答案：C
用 while, meanwhile, during填空
1. _the winter vacation, I came to know how to make coffee.
2. He came to visit me I was out.
3. He often does his homework before a computer; he listens to MP3.
--It ______ be the new headmaster.
-- No, it ______ be him. He went to Beijing yesterday.
A．can; must
B．must; can’t
C．can; can’t
D．must; may
