正常用于储存燃油的油箱有几个？（）
A.4
B.5
C.6
D.7
参考答案：C
2012年是______年，二月份有______天，全年有______天．
Though he was____ trouble after he was wounded, he managed to escape____ caught by the enemy.
A．out of ; being
B．in ; being
C．on ; to be
D．in ; to be
