军官入院校学习学臸超过()的,应当免去现任职务。
A、半年
B、一年
C、一年半
D、二年
参考答案:B
____________, so he didn’t come to school last week.
A.Though he was ill
B.Being ill
C.Having been ill
D.He was ill
燃烧器外壁有烟黑积炭的痕迹,表明曾经发生过烧嘴回火。