进入现场作业区必须()。
A、有人陪同
B、戴安全帽
C、穿工作服
参考答案:B
Much to the disappointment of the neighboring countries, the Japanese government refuses to admit ________ crime they did in _______ World War II in history.
A.the; the
B./; the
C./; /
D.the; /
锁口管施工中质量的问题